Practice Test

Q1) 'Collection of data ' refers to systematic recording of results ______ Show Answer

Q2) _______ is the data , which is collected for the first time by investigators. Show Answer

Q3) ______ refers to the data which is already collected and published by other authorities. Show Answer

Q4) The sources from where primary data can be collected are known as_____ Show Answer

Q5) Which of the following organization collect and publish the primary data ? Show Answer

Q6) Primary data is _____ Show Answer

Q7) Secondary data is _____ Show Answer

Q8) Primary data are more___ Show Answer

Q9) Which of the following terms best describes data that were originally collected at an earlier time by a different person for a different purpose? Show Answer

Q10) In case the data were collected on the basis of sample , the users should satisfy themselves regarding ____ Show Answer

Q11) Primary data may be collected by____ Show Answer

Q12) Primary data may be collected by____ Show Answer

Q13) Which of these is not a method of data collection? Show Answer

Q14) Under which of the following method ,investigators personally visit the respondents ,ask ,them questions pertaining to the enquiry and collect the desired information Show Answer

Q15) Under which of the following method ,investigators collects data by contacting third-party or informants who are supposed to possess the information on the problem under investigation ? Show Answer

Q16) ______ method of collecting information is usually adopted by newspaper agencies Show Answer

Q17) Under _____a well designed questionnaire is mailed to the informants with a request to fill it up and return the same within the specific time schedule. Show Answer

Q18) Under ______ of enquiry ,the trained enumerators personally visits the informants and explain the objectives of enquiry ,ask,questions and record their replies. Show Answer

Q19) Under_____ method investigator instead of presenting himself before the informants contact them on telephone and collect the desired information. Show Answer

Q20) The quickest method to collect primary data is _____ Show Answer

Q21) Data collected on religion from the census reports are____ Show Answer

Q22) Which method of data collection covers the widest area? Show Answer

Q23) The amount of non-responses is maximum in _____ Show Answer

Q24) In case of rail accident the appropriate method of data collection is by : Show Answer

Q25) If the marks obtained by all the students of B.COM - Accountancy of Pune University are recorded for analysis it will be called a ____ Show Answer

Q26) Under the____ data are collected for each and every unit of the population or universe which is a complete set of items which are of interest in any particular situation. Show Answer

Q27) _________ refers to the process of learning about population on the basis of sample drawn from it Show Answer

Q28) ______method is generally recommended in those cases where area of investigation is limited and requires intensive examination or study of the population. Show Answer

Q29) The technique of census investigation is advocated by its users because of _______ Show Answer

Q30) Sampling process involves__________ Show Answer

Q31) According to Secrist,"_____ is the process of arranging data into sequences according to their common characteristics or separating them into different but related parts" Show Answer

Q32) The same data can be classified in different way based on different criteria ,depending uponthe requirementsa of the users. Show Answer

Q33) Which of the following is advantage of classification of data? Show Answer

Q34) The data may be said to be classified geographically',when data relates to_____ Show Answer

Q35) The data may be said to be classified ,chronologically ,when data relates to____ Show Answer

Q36) The data may be said to be classified 'quanlitatively' when data relates to____ Show Answer

Q37) The data may be said to be classified 'quantitatively ' when data relates to ____. Show Answer

Q38) If data are classified for registration of students for Company Secretary ship course region wise in Eastern,Northern,Sourthern,Western. It is known as______ Show Answer

Q39) If data presented for the growth of population in India over different years it is known as_____ Show Answer

Q40) _____refers to systematic and logical arrangement of data in cloumns anf rows in accordance with some salient features and characteristics. Show Answer

Q41) According to ___ 'A statistical table is the logical listing of related quantitative data in vertical columns and horizontal rows of numbers with sufficient explanatory and qualifying words ,phrases and statements in the forms of titles heading and explanatory notes to make clear the full meaning of data and their origin'. Show Answer

Q42) In the words of ______ Table are means of recording in permanent form the analysis that is made throught classification and by placing in just opposition things that are similar and should be compared' Show Answer

Q43) Significance of tabulation of data____ Show Answer

Q44) Significance of tabulation of data____ Show Answer

Q45) The title of table should be_____ Show Answer

Q46) For tabulation ,'caption' is______ Show Answer

Q47) Stub' of a table is the_____ Show Answer

Q48) In tabulation source of the data if any is shown in the _______. Show Answer

Q49) Which of the following statement is untrue for tabulation? Show Answer

Q50) ______ are used to clarify anything which is not otherwise clear by the heading ,title,captions ,stub etc, Show Answer

Q51) The source note is required if the ____is used. Show Answer

Q52) ____of data refers to the table where data are classified on the basis of single characteristics. Show Answer

Q53) In the case of ______ manifold table data are classified and presented with respect to two or more characteristics simultaneously Show Answer

Q54) Requisite of space statistical table____ Show Answer

Q55) In the words of Croxton and Cowdon '_____ is a statistical table which shows the sets of all distinct values of the variables arranged in the order of their mangnitude either individually or in groups with their corresponding frequencies side by side' Show Answer

Q56) Under___ we count the number of times each value of a variable is repeated and the number (technically known as tally ) is placed alongside the value to which it corresponds. Show Answer

Q57) ______ is the distribution where the frequency refers to group of value .It is a tabular arrangement of data by classes together with the corresponding frequencies. Show Answer

Q58) The end numbers or the highest and lowest values that can be included in class interval are known as the ____ of that class. Show Answer

Q59) It is the difference between the upper limit and lower limit of the same class. Show Answer

Q60) ____ means the number of observations included in a particulars class as the frequency of that class . Show Answer

Q61) _____ is the one whose class interval are so determined that upper limit of one class is the lower limit of the next class. Show Answer

Q62) _____ refers to that classification where both the class limits are included in the class itself while determining the class intervals. Show Answer

Q63) Tally marks determine_____ Show Answer

Q64) Lower class Boundary =______ Show Answer

Q65) Upper class Boundary= ______ Show Answer

Q66) Diagrammatic representation of data is done by ______ Show Answer

Q67) Hidden trend ,if any in the data can be noticed in _____ Show Answer

Q68) The best method of presentation of data is____ Show Answer

Q69) The most attractive method of data presentation is_____ Show Answer

Q70) In case of a _____different values are represented by the length of the lines ,drawn ,vertically or horizontally . Show Answer

Q71) Horizontal bar diagram is used for _____ Show Answer

Q72) In order to compare two or more retated series ,we consider_____ Show Answer

Q73) Pie-diagram is used for ______ Show Answer

Q74) Graph is a ____ Show Answer

Q75) An area diagram is_____ Show Answer

Q76) ____ is a graph of a grouped frequency distribution in which class intervals are plotted on X axis and their respective frequencies on Y axis. Show Answer

Q77) _____ is drawn by joining the midpoits of the upper widths of adjacent rectangles of the histogram with straight lines. Show Answer

Q78) Out of 2,000 persons,25% were industrial workers and the rest were agricultural workers.600 persons enjoyed football world cup matches on TV.30% of the people who had not watched football world cup matches were industrial workers.What is the number of agricultural workers who had enjoyed world cup matches on TV? Show Answer

Q79) A sample study of the people of an area revealed that total number of women were 40% and the percentage of coffee drinkers were 45 as a whole and the percentage of male coffee drinkers was 20.What was the percentage of female non-coffee drinkers? Show Answer

Q80) In 1995 out of a total of 3,500 workers of a factory 2,400 were members of a trade union .The number of women employed was 400 of which 350 did not belong to a trade union .In 2000 the number of union workers increased to 3,160 of which 2,580 were men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employees who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whom only 16 did not belong to trade union.In 1995 total number of workers (Male+Female) who were not members of trade union=? Show Answer

Q81) In 1995out of a total 3,500 workers of a factory 2,400 were members of a trade union .The number of women employed was 400 of which 350 did not belong to a trade union .In 2000 the number of union workers increased to 3,160 of which 2,580 were men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employees who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whome only 16 did not belong to trade union. In 1995 total number of male workers (members+ non members)=? Show Answer

Q82) In 1995out of a total of 3,500 workers of a factory 2,400 were members of a trade union .The number of women employed was 400 of which 350 did not belong to a trade union .In 2000 the number of union workers increased to 3,160 of which 2,580 were men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employees who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005, 600 were women ,of whom only 16 did not belong to trade union.In 1995 total number of workers who did not belong to a trade union=? Show Answer

Q83) In 1995out of a total 3,500 workers of a factory 2,400 were members of a trade union .The number of women employes was 400 of which 350 did not belone to a trade union .In 2000 the numberof union workers increased to 3,160 of which 2,580 wee men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employes who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whome only 16 did not belong to trade union.In 1995 total number of female who are members of trade union=? Show Answer

Q84) In 1995out of a total 3,500 workers of a factory 2,400 were members of a trade union .The number of women employes was 400 of which 350 did not belone to a trade union .In 2000 the numberof union workers increased to 3,160 of which 2,580 wee men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employes who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whome only 16 did not belong to trade union. In 1995 total number of male workers who are members of trade union=? Show Answer

Q85) In 1995out of a total 3,500 workers of a factory 2,400 were members of a trade union .The number of women employes was 400 of which 350 did not belone to a trade union .In 2000 the numberof union workers increased to 3,160 of which 2,580 wee men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employes who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whome only 16 did not belong to trade union.In 2000 number of female workers who did notbelong to a trade union=? Show Answer

Q86) In 1995out of a total 3,500 workers of a factory 2,400 were members of a trade union .The number of women employes was 400 of which 350 did not belone to a trade union .In 2000 the numberof union workers increased to 3,160 of which 2,580 wee men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employes who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whome only 16 did not belong to trade union.In 2000 number of male workers who did not belong to a trade union=? Show Answer

Q87) In 1995out of a total 3,500 workers of a factory 2,400 were members of a trade union .The number of women employes was 400 of which 350 did not belone to a trade union .In 2000 the numberof union workers increased to 3,160 of which 2,580 wee men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employes who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whome only 16 did not belong to trade union. In 2005 number of male workers who did not belong to a trade union=? Show Answer

Q88) In 1995out of a total 3,500 workers of a factory 2,400 were members of a trade union .The number of women employes was 400 of which 350 did not belone to a trade union .In 2000 the numberof union workers increased to 3,160 of which 2,580 wee men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employes who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whome only 16 did not belong to trade union.In 2005 number of female workers who are member trade union=? Show Answer

Q89) In 1995out of a total 3,500 workers of a factory 2,400 were members of a trade union .The number of women employes was 400 of which 350 did not belone to a trade union .In 2000 the numberof union workers increased to 3,160 of which 2,580 wee men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employes who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whome only 16 did not belong to trade union.In 2005 number of male workers who are member trade union=? Show Answer

Q90) The following information relates to number of children in house in a locality1 3 2 2 2 1 1 2 1 1 1 32 2 3 3 3 3 3 3 2 3 4 13 2 6 2 1 6 2 1 5 1 5 21 5 2 3 4 2 7 4 2 3 3 44 3 4 4 2 3 1 4 3 2 2 1Frequency of 1 child= ? Show Answer

Q91) The following information relates to number of children in house in a locality 1 3 2 2 2 1 1 2 1 1 1 3 2 2 3 3 3 3 3 3 2 3 4 1 3 2 6 2 1 6 2 1 5 1 5 2 1 5 2 3 4 2 7 4 2 3 3 4 4 3 4 4 2 3 1 4 3 2 2 1 Frequency of 2 child= ? Show Answer

Q92) The following information relates to number of children in house in a locality1 3 2 2 2 1 1 2 1 1 1 32 2 3 3 3 3 3 3 2 3 4 13 2 6 2 1 6 2 1 5 1 5 21 5 2 3 4 2 7 4 2 3 3 44 3 4 4 2 3 1 4 3 2 2 1Frequency of 3 child= ? Show Answer

Q93) The following information relates to number of children in house in a locality1 3 2 2 2 1 1 2 1 1 1 32 2 3 3 3 3 3 3 2 3 4 13 2 6 2 1 6 2 1 5 1 5 21 5 2 3 4 2 7 4 2 3 3 44 3 4 4 2 3 1 4 3 2 2 1Frequency of 4 child= ? Show Answer

Q94) The following information relates to number of children in house in a locality 1 3 2 2 2 1 1 2 1 1 1 3 2 2 3 3 3 3 3 3 2 3 4 1 3 2 6 2 1 6 2 1 5 1 5 2 1 5 2 3 4 2 7 4 2 3 3 4 4 3 4 4 2 3 1 4 3 2 2 1 Frequency of 4 child= ? Show Answer

Q95) The following information relates to number of children in house in a locality1 3 2 2 2 1 1 2 1 1 1 32 2 3 3 3 3 3 3 2 3 4 13 2 6 2 1 6 2 1 5 1 5 21 5 2 3 4 2 7 4 2 3 3 44 3 4 4 2 3 1 4 3 2 2 1Frequency of 4 child= ? Show Answer

Q96) The following information relates to number of children in house in a locality1 3 2 2 2 1 1 2 1 1 1 32 2 3 3 3 3 3 3 2 3 4 13 2 6 2 1 6 2 1 5 1 5 21 5 2 3 4 2 7 4 2 3 3 44 3 4 4 2 3 1 4 3 2 2 1Frequency of 4 child= ? Show Answer

Q97) The number of accidents for seven days in a locality are given below No.of Accidents 0 1 2 3 4 5 6 Frequency 15 19 22 31 9 3 2 What is the number of cases when 3 or less accident occurred? Show Answer

Q98) The following data relate to the incomes of 86 persons:Income in Rs. No.of persons500 - 999 151000 - 1499 281500 - 1999 362000 - 2499 7 Show Answer

Q99) The Following data relate to the marks of a group of students: Marks No.of students Below 10 15 Below 20 38 Below 30 65 Below 40 84 Below 50 100 Hoe many students got marks more than 30? Show Answer

Q100) Fine the number of observation between 250 and 300 from the followingValue More More More More than than than than 200 250 300 350No. of observation 56 38 15 0 Show Answer

Q101) The weight of 50 students in pounds are given below.
82,95,120,174,179,159,91,85,17588,160,97,133,159,176,151,115,105,
172,170,128,112,101,123,117,93,117,99,90,113,119,129,134,178,105,
147,107,155,157,98,117,95,135,175,97,160,168,144,175.
If the data are arranges in the form of a frequency distribution with class intervals as
81-100 ,101-120, 121-140, 141-160 ,and 161-180,
then the frequencies for these 5 class intervals are ____ Show Answer

Q102) The following information reltes to the age of death of 50 persons in an area: 36,48,50,45,49,31,50,48,42,57, 43,40,32,41,39,39,43,47,45,52, 47,48,53,37,48,50,41,49,50,53, 38,41,49,45,36,39,31,48,59,48, 37,49,43,51,54,59,48,38,39,45. If the class intervals are 31-33, 34-36, 37-39,____ then the percentage frequencies foe the last five class intervals are ____ Show Answer

Q103) The income of the five person is as follows: Person Income per month ( Rs.) Ram 1,500 Shyam 1,700 Gopal 5,000 Raghav 7,500 Kishna 7,900 Type of above series_____ Show Answer

Q104) Consider following data:x 12 17 24 36 45 48 52f 4 0 7 8 9 6 3It can be classified as____ Show Answer

Q105) The series gives below is of _____typeMarks No.of Students30 - 40 1940 - 50 2450 - 60 1260 - 70 1970 - 80 10 Show Answer

Q106) The following distribution is of_____type Marks No.of students Less than 5 10 Less than 10 24 Less than 15 42 Less than 20 54 Less than 25 62 Show Answer

Q107) The series given below is of _____typeYear Demand(in kg)2004 802005 84 2006 852007 882008 92 Show Answer

Q108) The series given below is of ____type .City No .of accidentsPune 80Mumbai 50Nagpur 76kolhapur 74 Show Answer

Q109) In the lower and upper limits of a class are 10 and 20,then the midpoint is_____ Show Answer

Q110) A measure of central tendency means_____ Show Answer

Q111) "An a average is an attempt to find one single figure to describe the whole of figures". This definition is given by__ Show Answer

Q112) " A measure of central tendency is a typical value around which other figures congregate " This definition is given by ____ Show Answer

Q113) " An average is a single value within the range of data that is used to represent all values in the series .Since an average is somewhere within the range of the data ,it is also called a measure of Central Value " This definition is given by_____ Show Answer

Q114) " An average is a value which is typical or representative of a set of data " This definition is given by _____ Show Answer

Q115) Objectives and significance of statistical averages____ Show Answer

Q116) A measure of central tendency tries to estimate the ____ Show Answer

Q117) Measures of central tendency for a given set of observations measures____ Show Answer

Q118) Requisites of a good statistical average _____ Show Answer

Q119) Requisites of a good statistical average _____ Show Answer

Q120) Which of the following is "Positional Average " Show Answer

Q121) Which of the following is "Positional Average " Show Answer

Q122) Which of the following is " Mathematical Average " Show Answer

Q123) Which of the following is " Mathematical Average " Show Answer

Q124) ____ is defined as the sum of observations divided by the number of observations. Show Answer

Q125) The words mean or average refers to _____ Show Answer

Q126) Which of the following statements is/ are false ? Show Answer

Q127) The most commonly used measure of central tendency is _____ Show Answer

Q128) Which of the following statements is true? Show Answer

Q129) Weighted averages are considered when _____ Show Answer

Q130) The value of all the item are taken into consideration in the calculation of _____ Show Answer

Q131) Simple average may be called as ____ Show Answer

Q132) ______ of a distrbution is that value of the variant which divides it into two equal parts.. Show Answer

Q133) 50% of actual value will be below and 50% of will be above for _____ Show Answer

Q134) _____ is that value of the variant which repeats maximum number of times in a distribution and around which other observations are densely distributed. Show Answer

Q135) Which of the following sentence is /are wrong in relation to 'Mode '? Show Answer

Q136) Which of the following sentence is /are wrong in relation to 'Mode '? Show Answer

Q137) The relationship between mean , median, mode is____ Show Answer

Q138) _____is used when most frequency occurring value is requird( discrete variable) Show Answer

Q139) Which of the following measure(s) satisfies( satisfy) a linear relationship between two variables? Show Answer

Q140) Extreme values have _____ effect on mode. Show Answer

Q141) ____ means the variation or scattering or deviation of the different values of a variable from their average. Show Answer

Q142) According to ____ , " Dispersion is the measure of variations of items " Show Answer

Q143) According to _____,"Dispersion is the measure of extent to which individual items vary ". Show Answer

Q144) According tp ,"The measure of the scatterdness of the mass of figures in a series about an average is called the measure of variation or dispersion" Show Answer

Q145) According to _____,The degree to which numerical data tend to spread about an average value is called the variation or dispersion of the data". Show Answer

Q146) Objectives and significance of dispersion :____ Show Answer

Q147) ______ may be defined as the positive square root of arithmetic mean of the squares of all the deviations of the values from their arithmetic mean Show Answer

Q148) Which of the following statements is correct? Show Answer

Q149) Dispersion measures _____ Show Answer

Q150) The most commonly used measure of dispersion is _____ Show Answer

Q151) If the profits of a company remains the same for the last ten months ,then the standard deviation of profits for these ten months would be? Show Answer

Q152) When it comes to comparing two or more distributions we consider_____ Show Answer

Q153) Which one is an absolute measures of dispersion ? Show Answer

Q154) Which measures of dispersion is the quickest to compute? Show Answer

Q155) Which measure is based on only the central fifty percent of the observations? Show Answer

Q156) For any two numbers SD is always_____ Show Answer

Q157) Cosnider following observation relatting to marks obtained by 10 students in CS foundation Exam :210,202,207,222,276,201,246,212,285, 312.Arithmetic mean =? Show Answer

Q158) Consider following is the distrbution: Class Intervals 0-10 10-20 20-30 30-40 Frequency 8 10 12 15 Arithmetic mean=? Show Answer

Q159) The following is the distrbution of weekly wages of workers in a factory.Calculate the arithmetic mean of the distrbution. Weekly wages No.of ( Rs.) Workers 240-269 7 270-299 19 300-329 27 330-359 15 360-389 12 390-419 12 420-449 8 Show Answer

Q160) If there are 3 observations15,20,25 then the sum of deviations of the observations from their AM is__________ Show Answer

Q161) Mr.R purchases 20 kgs of wheat ,10 kgs of rice and 2kgs of ghee every month. If the price of wheat is Rs.10 per kg ,price of rice Rs.14 per kg and price of ghee is Rs.120per kg.Find the average price per kg. per month,Arithmetic mean =? Show Answer

Q162) The mean of a certain number of observatiopns is 40 .If two or more items with values 50 and 64 are added to this data ,the mean rises to 42.Find the number of items in the original data. Show Answer

Q163) If there are two groups contaning 30 and 20 observations and having 50 and 60 as arithmetic means,then the combined arithmetic mean is____ Show Answer

Q164) What is the value of mean for the following data : Class interval Frequency 350-369 15 370-389 27 390-409 31 410-429 19 430-449 13 450-469 6 470-489 Show Answer

Q165) Mr.Ram purchases 20 kgs of wheat ,10 kgs of rice and 2kgs of ghee every month. If the price of wheat is Rs.10 per kg ,price of rice Rs.14 per kg and price of ghee is Rs.120per kg.Find the average price per kg. per month,Arithmetic mean =? Show Answer

Q166) The average rainfall for a week,excluding Sunday was 10cms .Due to heavy rainfall on Sunday ,the average for the week rose to 15 cms. How much rainfall was on Sunday ? Show Answer

Q167) The mean weight of 20 employees in a company is 65 kgs .And the mean weight of 8 employees is 70 kgs. And another 7 is 55 kgs.You are required to find out the mean weight of remainder. Show Answer

Q168) The mean weight of 98 students is found to be 50 ibs .It is later discovered that the frequency of the class intervals (30-40) was wrongly taken as 8 instead of 10. Calculate the correct mean. Show Answer

Q169) The average marks of three batches of students having 70,50 and 30 students respectively are 50,55, and 45. Find the average marks of all the 150 students taken together. Show Answer

Q170) The mean salary paid per week to 1000 employees of an establishments was we found to be Rs.900 .Later on it was discovered that the salaries of two employees were wrongly recorded as Rs.750. and Rs.365 instead of Rs.570 and Rs.635. Find the corrected mean salary. Show Answer

Q171) What is the value of mean for the following data: Marks No of students 5-14 10 15-24- 18 25-34 32 35-44 26 45-54 14 55-64 10 Show Answer

Q172) The mean salary for a group of 40 females workers is Rs.5,200 per month and that of for a group of 60 male workers is Rs.6,800 per month.What is the combined salary? Show Answer

Q173) Find median of the given observation: 25,14,28,30,25,15,32. Show Answer

Q174) Find median of the given observation:35,20,55,27,15,40. Show Answer

Q175) What is the median for the following observations? 5,8,6,9,11,4. Show Answer

Q176) 2,5,8,4,9,6,7,.What is the median for the following obsevations? Show Answer

Q177) The following table gives the marks obtaind by 300 students of a management course.Find the median of the distribution. Marks obtained No.of students 0 -15 26 15-30 34 30-45 64 45-60 76 60-75 60 75-90 30 90-100 10 Show Answer

Q178) Find Median of the following data Age grater than No.of (Years ) Persons 00 230 20 218 30 200 40 165 50 123 60 73 70 288 Show Answer

Q179) The following table the distrbutions of daily wages of 900 workers.However the frequencies of the two classes 40-50 and 60-70 are missing. If the median of the distribution is Rs. 59.25,Find the missing figures. Class Frequency Cumulative intervals frequency 30-40 120 120 40-50 ? ? 50-60 200 ? 60-70 ? ? 70-80 185 900 Frequency for class 40-50 = ? Show Answer

Q180) The following table the distrbutions of daily wages of 900 workers.However the frequencies of the two classes 40-50 and 60-70 are missing. If the median of the distribution is Rs. 59.25,Find the missing figures. Class Frequency Cumulative intervals frequency 30-40 120 120 40-50 ? ? 50-60 200 ? 60-70 ? ? 70-80 185 900 Cumulative Frequency for class 40-50 = ? Show Answer

Q181) The following table the distrbutions of daily wages of 900 workers.However the frequencies of the two classes 40-50 and 60-70 are missing. If the median of the distribution is Rs. 59.25,Find the missing figures. Class Frequency Cumulative intervals frequency 30-40 120 120 40-50 ? ? 50-60 200 ? 60-70 ? ? 70-80 185 900 Cumulative Frequency for class 50 -60 = ? Show Answer

Q182) The following table the distrbutions of daily wages of 900 workers.However the frequencies of the two classes 40-50 and 60-70 are missing. If the median of the distribution is Rs. 59.25,Find the missing figures. Class Frequency Cumulative intervals frequency 30-40 120 120 40-50 ? ? 50-60 200 ? 60-70 ? ? 70-80 185 900 Cumulative Frequency for class 60-70 = ? Show Answer

Q183) Whit is the value of median for the following data: Marks No.of Student 5-14 10 15-24 18 25-34 32 35-44 26 45-54 14 55-64 10 Show Answer

Q184) Compute mode of the following distribution by inspection method. X 1 2 3 4 5 6 7 8 9 10 f 4 6 8 12 17 11 7 6 5 3 Show Answer

Q185) Compute mode of the following distribution by method of grouping. X 10 11 12 13 14 15 16 17 18 19 f 8 15 20 100 98 95 90 75 50 30 Show Answer

Q186) The frequency distribution of marks obtained by 60 students of a class is given below: x 30-34 40-44 45-49 50-54 55-59 60-64 f 3 5 12 18 14 62 Show Answer

Q187) In a moderately a symmetrical distribution -The mode and median are 75 and 60 respectively, find mean. Show Answer

Q188) In a moderately a symmetrical distribution -The mean and mode are 50 and 37.5 respectively, find median. Show Answer

Q189) What is the model value for the numbers 5,8,6,4,10,15,18,10? Show Answer

Q190) What is the value of mode for the follwing data: Class interval Frequency 350-369 15 370-389 27 390-409 31 410-429 19 430-449 13 450-469 6 Show Answer

Q191) The standard deviation 10,16,10,16,10,10,16,16 is____ Show Answer

Q192) Calculate standard deviation of the following data: X 10 11 12 13 14 15 16 17 18 f 2 7 10 12 15 11 10 6 3 Show Answer

Q193) Calculate standard deviation of the following data X 0-10 10-20 20-30 30-40 40-50 f 10 8 15 8 4 Show Answer

Q194) Find the mean and srandard deviation of the following observations: X = 2,5,7,8,13 Show Answer

Q195) The mean and standared deviation of 10 observations are 35 and 2 repectively .Find the changed mean and standard deviation if each observation is increased by 5 Show Answer

Q196) The mean and standared deviation of 10 observations are 35 and 2 repectively .Find the changed mean and standard deviation if each observation is multiplied by 5 Show Answer

Q197) If all the observation are increased by 10, then ____ Show Answer

Q198) If all the observation are multiplied by 2, then _____ Show Answer

Q199) What is the standard deviation of ,5,5,9,9,9,10,5,10,10. Show Answer

Q200) What is the coefficient of variation of the following numbers? 53,52,61,60,64. Show Answer

Q201) The Word statistic has its origin from the Latin word_________ Show Answer

Q202) The word Statistic as used in the earlier days by Italian - ______________ Show Answer

Q203) The word Statistic as used in the earlier days by Germans - _____________ Show Answer

Q204) In ancient days, the word statistics was used only for facts and figures required by the state for its official use and was known as _______________ Show Answer

Q205) It is not possible to think any sphere of human activity where statistics has not crept in. Show Answer

Q206) Statistics in the sense of numerical data basically refers to _________ aspects Show Answer

Q207) In which sense the word 'statistic' is basically used? Show Answer

Q208) " Statistics refers to the classified facts representing the conditions of the people in the state?.. Especially those facts which can be stated in numbers or in tables of numbers or in any tabular classfied arrangement." This definition of statistics was given by ____________ Show Answer

Q209) "Statistics are collection of notewothy facts concering the state both historical and descriptive." this definition of Statistics was given by ______________ Show Answer

Q210) " Statistics is an aggregate knowledge brought together for a practical end namely the knowledge of concrete states." this definition of statistics was given by ___________ Show Answer

Q211) " Statistics is numerical statement of facts in any development of enquiry placed in relation to each other." this definition of Statistic was given by _____________ Show Answer

Q212) " By statistics, we mean Quantitative data affected to a marked extent by multiplicity of causes." Show Answer

Q213) ______________ has given most acceptable, popular and comprehensive definitions of statistics. Show Answer

Q214) According to _________, " By statistics we mean aggreagate of facts affected to marked extent by multiplicity of causes, numerically expressed, enumerated or estimated, according to a reasonable standard of accuracy collected in a systematic manner for a pre-determined purpose and placed in relation to each other." Show Answer

Q215) Characteristic(s) of statistics: ____________ Show Answer

Q216) Characteristic(s) of statistics: ____________ Show Answer

Q217) Statistics must relate to ________ facts Show Answer

Q218) The subject matter of statistics is _______ Show Answer

Q219) Statistical facts are not traceable to a single fact Show Answer

Q220) Which of the following constitute statistics? Show Answer

Q221) Statistical data relating to any subject could be collected: ______________ Show Answer

Q222) Statistical data are collected only with______________ Show Answer

Q223) The collection of statistical data must be in a ____________ manner Show Answer

Q224) According to A.L.Bowley, Statistics may be called as __________ Show Answer

Q225) According to ______," Statistics may be defined as a science of collection, presentation, analysis and interpretation of numerical data." Show Answer

Q226) Which of the followig can be treated as important function of statistics? Show Answer

Q227) Which of the following can be treated as important function of statistics? Show Answer

Q228) Which of the following can be treated as important function of statistics? Show Answer

Q229) ____________ is a systematic body of knowledge which studies cause and effect relationship and tries to find out generalisation. Show Answer

Q230) Feature(s) of science:___________ Show Answer

Q231) statistics is _______________ Show Answer

Q232) Statistics is an exact science or pure science like physics, chemistry. Show Answer

Q233) According to Tippet, Statistic is ________ Show Answer

Q234) _____________ law provides the basis of theory of probability in statistics. Show Answer

Q235) According to ______, if a large sample is taken from a population in a random way, it is bound to be fairly representative of the population. Show Answer

Q236) According to _______, the larger the size of sample, the more accurate the results are likely to be. Show Answer

Q237) Which of the fllowing condition is necessary to hold good the law of statistical regularity? Show Answer

Q238) Statistics which deals with the numerical data can be classified as _________ Show Answer

Q239) _____________ includes the techniques such as collection and tabulation of data, averages or measures of central tendency, index number, dispersion, skewness, which help in summarizing and describing the main features of data. Show Answer

Q240) This division of statistics is concerned with the application of statistical methods and techniques to the specific problems and facts of real life situations as they exist can be classified as _________ Show Answer

Q241) _____________ covers those methods and techniques of statistics which are used to draw conclusions and statistical inferenrces about the parameters of population on the basis of estimates derived from a sample. Show Answer

Q242) __________ refers to those methods and techniques of statistics which help in estimating a particular phenomenon on the basis of random observation. Show Answer

Q243) Business forecasting is done with the help of ______________ Show Answer

Q244) __________ is that branch of statistics which is concerned with the application of various mathematical theories and techniques such as theory of measures and integration, differentiation, algebra, trignometry, matrix theory etc. to develop various statistical thoeries and techniques. Show Answer

Q245) _______consists of those methods which are used in establishing functional relationship between variables. It is attempted through comparison, between two sets of data at a point of time in crossection data or between two points of tim otherwise. Show Answer

Q246) Important techniques from the part of analytical statistics includes __________ Show Answer

Q247) Statistics is useful to state Autorities as it helps in formulating ________ Show Answer

Q248) Statistical information basically helps to understand the ________ Show Answer

Q249) Statistics is applied in _____________ Show Answer

Q250) Statistics helps to formulate various principles and enables us to compare the theories in real life situations. Show Answer

Q251) In Which of the following fields / areas the use of statistics and statistical techniques can better examined? Show Answer

Q252) In Which of the following fields / areas the use of statistics and statistical techniques can better examined? Show Answer

Q253) Which of the following can be treated as limitation of statistics? Show Answer

Q254) Which of the following can be treated as limitation of statistics? Show Answer

Q255) Which of the following can be treated as limitation of statistics? Show Answer

Q256) Which of the following sentence shows distrust about statistics? Show Answer

Q257) Which of the following sentence shows distrust about statistics? Show Answer

Q258) Which of the following statement is False?
Show Answer