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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 901. |
A scatter diagram: (A) Is a statistical test (B) Must be linear (C) Must be curvilinear (D) Is a graph of X and Y values |
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Answer» A scatter diagram: (A) Is a statistical test (B) Must be linear (C) Must be curvilinear (D) Is a graph of X and Y values |
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| 902. |
Explain any three functions of Statistics. |
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Answer» Explain any three functions of Statistics. |
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| 903. |
Calculate coefficient of correlation with the help of following data by using step deviation method. Price Index120150190220230Money Supply(Rs. in crore)18002000250027003000 |
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Answer» Calculate coefficient of correlation with the help of following data by using step deviation method. |
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| 904. |
Before a questionnaire is used in an actual survey, a survey is conducted on a small group of people to check the correctness of the questions. This survey is called a/an ___ survey. |
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Answer» Before a questionnaire is used in an actual survey, a survey is conducted on a small group of people to check the correctness of the questions. This survey is called a/an |
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| 905. |
Under the index of industrial production, highest weightage is given to _____. |
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Answer» Under the index of industrial production, highest weightage is given to _____. |
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| 906. |
Which of the following scatter charts show positive correlation? |
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Answer» Which of the following scatter charts show positive correlation? |
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| 907. |
There is a general perception that statistical knowledge is all-too-frequently intentionally misused. Explain how. |
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Answer» There is a general perception that statistical knowledge is all-too-frequently intentionally misused. Explain how. |
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| 908. |
A - How many non-fiction books do you read in a year? B - Do you read books? C - How many books do you read in a year? Select the order in which these questions must appear in a questionnaire. |
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Answer» A - How many non-fiction books do you read in a year? |
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| 909. |
Amit sold goods worth Rs. 10,000 to Babli on 1st January, 2016 and immediately drew a bill on Babli for three month for the same amount. Babli accepted the bill and returned it to Amit. On 4th March,2016, Babli retired her acceptance under rebate of 6% per annum. Pass the necessary journal entries in the books of Amit and Babli. |
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Answer» Amit sold goods worth Rs. 10,000 to Babli on 1st January, 2016 and immediately drew a bill on Babli for three month for the same amount. Babli accepted the bill and returned it to Amit. On 4th March,2016, Babli retired her acceptance under rebate of 6% per annum. |
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| 910. |
Which of the following is incorrect? |
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Answer» Which of the following is incorrect? |
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| 911. |
(I) Deflation is a decrease in the general price level of goods and services. It occurs when the inflation rate falls below 0%. (II) Disinflation is the same phenomenon as deflation. |
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Answer» (I) Deflation is a decrease in the general price level of goods and services. It occurs when the inflation rate falls below 0%. (II) Disinflation is the same phenomenon as deflation. |
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| 912. |
Represent 15 using a Tally marks. |
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Answer» Represent 15 using a Tally marks. |
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| 913. |
The following table gives the average product schedule of labour. Find the total product and marginal product schedules. It is given that the total product is zero at zero level of employment. L123456APL2344.2543.5 |
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Answer» The following table gives the average product schedule of labour. Find the total product and marginal product schedules. It is given that the total product is zero at zero level of employment. L123456APL2344.2543.5 |
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| 914. |
The following table gives production yield in kg per hectare of wheat of 150 farms in a village. Calculate the mean, median and mode production yield. Production Yield50−5353−5656−5959−6262−6565−6868−7171−7474−77(kg per hectare)Number of Farms381430362816105 |
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Answer» The following table gives production yield in kg per hectare of wheat of 150 farms in a village. Calculate the mean, median and mode production yield. Production Yield50−5353−5656−5959−6262−6565−6868−7171−7474−77(kg per hectare)Number of Farms381430362816105 |
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| 915. |
Find the range for the function f(X) = - |x|, where x is a real number. |
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Answer» Find the range for the function f(X) = - |x|, where x is a real number. |
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| 916. |
(a) Compare on ground of initial investment risk of loss and qualification the difference between profession and employment. |
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Answer» (a) Compare on ground of initial investment risk of loss and qualification the difference between profession and employment. |
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| 917. |
Which two values are used for calculating mid value? |
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Answer» Which two values are used for calculating mid value? |
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| 918. |
Find the mean and variance for the following frequency distribution Classes0−3030−6060−9090−120120−150150−180180−210Frequency23510352 Or The mean and standard deviation of six observations are 8 and 4, respectively. If each observation is multiplied by 3, find the mean and new standard deviation of the resulting observations. |
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Answer» Find the mean and variance for the following frequency distribution Classes0−3030−6060−9090−120120−150150−180180−210Frequency23510352 Or The mean and standard deviation of six observations are 8 and 4, respectively. If each observation is multiplied by 3, find the mean and new standard deviation of the resulting observations. |
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| 919. |
I want some notes on this topic and some more examples related to my earlier doubts. |
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Answer» I want some notes on this topic and some more examples related to my earlier doubts. |
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| 920. |
Ceteris Paribus, if the government provides subsidies on electricity bills, what would be the likely change in the market demand of desert coolers ? |
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Answer» Ceteris Paribus, if the government provides subsidies on electricity bills, what would be the likely change in the market demand of desert coolers ? |
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| 921. |
The mean of the data set comprising of 16 observations is 16. If one of the observations valued 16, is deleted and three new observations valued 3,4 and 5 are added to the data set, then the mean of the resultant data is |
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Answer» The mean of the data set comprising of 16 observations is 16. If one of the observations valued 16, is deleted and three new observations valued 3,4 and 5 are added to the data set, then the mean of the resultant data is |
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| 922. |
Define the term 'pilot survey' or pre-testing of a questionnaire. |
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Answer» Define the term 'pilot survey' or pre-testing of a questionnaire. |
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| 923. |
The runs scored by RCB in the first 6 matches of IPL-17 are respectively 172, 157, 148, 142, 161, 213. Find the mean deviation about median of the scores using the assumed mean method. |
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Answer» The runs scored by RCB in the first 6 matches of IPL-17 are respectively 172, 157, 148, 142, 161, 213. Find the mean deviation about median of the scores using the assumed mean method. |
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| 924. |
5 singers are to be given performance in a concert. How many ways can they be arranged in a order |
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Answer» 5 singers are to be given performance in a concert. How many ways can they be arranged in a order |
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| 925. |
A producer price index could measure changes in_____. |
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Answer» A producer price index could measure changes in_____. |
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| 926. |
Draw a scatter diagram to represent the following values of X and Y variables. Comment on the type and degree of correlation. X1520252730Y710121618 |
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Answer» Draw a scatter diagram to represent the following values of X and Y variables. Comment on the type and degree of correlation. X1520252730Y710121618 |
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| 927. |
When we use the line of best fit to predict the value of a point that lies outside a range of data , it is called ___ . |
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Answer» When we use the line of best fit to predict the value of a point that lies outside a range of data , it is called |
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| 928. |
How should I prepare for NTSE 2018? Pls advice. |
| Answer» How should I prepare for NTSE 2018? Pls advice. | |
| 929. |
What is 'loss of information' in classified data? |
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Answer» What is 'loss of information' in classified data? |
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| 930. |
Explain the precautions that are to be taken while constructing index numbers. |
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Answer» Explain the precautions that are to be taken while constructing index numbers. |
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| 931. |
Distinguish between random sampling and systematic sampling. |
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Answer» Distinguish between random sampling and systematic sampling. |
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| 932. |
Find the mean deviation about the mean for the given data. Q1. 4, 7, 8, 9, 10, 12, 13, 17 |
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Answer» Find the mean deviation about the mean for the given data. Q1. 4, 7, 8, 9, 10, 12, 13, 17 |
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| 933. |
What is the primary function of Statistics? |
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Answer» What is the primary function of Statistics? |
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| 934. |
Define index numbers. |
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Answer» Define index numbers. |
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| 935. |
Which quartile is equal to median? |
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Answer» Which quartile is equal to median? |
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| 936. |
Indicate the most appropriate alternative from the multiple choices provided against each question. (i) The most suitable average for qualitative measurement is (a) Arithmetic mean (b) Median (c) Mode (d) Geometric mean (e) None of these (ii) Which average is affected most by the presence of extreme items? (a) Median (b) Mode (c) Arithmetic mean (d) Geometric mean (e) Harmonic mean (iii) The algebraic sum of deviation of a set of n values from AM is (a) n (b) 0 (c) 1 (d) None of these |
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Answer» Indicate the most appropriate alternative from the multiple choices provided against each question. (i) The most suitable average for qualitative measurement is (a) Arithmetic mean (b) Median (c) Mode (d) Geometric mean (e) None of these (ii) Which average is affected most by the presence of extreme items? (a) Median (b) Mode (c) Arithmetic mean (d) Geometric mean (e) Harmonic mean (iii) The algebraic sum of deviation of a set of n values from AM is (a) n (b) 0 (c) 1 (d) None of these |
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| 937. |
Interpret the values of r as 1, -1 and 0. |
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Answer» Interpret the values of r as 1, -1 and 0. |
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| 938. |
Mathematics marks of 5 students are given below: 20, 35, 25, 30, 10 Find out range and coefficient of range. |
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Answer» Mathematics marks of 5 students are given below: 20, 35, 25, 30, 10 Find out range and coefficient of range. |
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| 939. |
The table below shows information about the number of hours spent by 120 children on a computer last week. Based on the data given, answer how many children have been using the computer for atmost 8 hours? Number ofCumulativehoursFrequency0−2102−4154−6356−8358−1025 |
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Answer» The table below shows information about the number of hours spent by 120 children on a computer last week. Based on the data given, answer how many children have been using the computer for atmost 8 hours? |
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| 940. |
Consider the following ungrouped data 1,3,9,5,3,7,9,2,6,9,5,3 The data is ___________. |
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Answer» Consider the following ungrouped data |
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| 941. |
Q34) In the past few months, the two main inflation indicators — the Wholesale Price Index (WPI) and the Consumer Price Index (CPI) — are moving in widely divergent directions. Consider the following statements: 1) Headline inflation does not include food and fuel prices while Core inflation includes all-item index 2) CPI is measured on base year 2012 3) Reserve Bank of India has now adopted WPI as new measure of Inflation Which of the above statement(s) is/ are incorrect? |
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Answer» Q34) In the past few months, the two main inflation indicators — the Wholesale Price Index (WPI) and the Consumer Price Index (CPI) — are moving in widely divergent directions. Consider the following statements: 1) Headline inflation does not include food and fuel prices while Core inflation includes all-item index 2) CPI is measured on base year 2012 3) Reserve Bank of India has now adopted WPI as new measure of Inflation Which of the above statement(s) is/ are incorrect? |
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| 942. |
The RBI’s expert panel which had suggested adoption of new Consumer Price Index (CPI) Anchoring monetary policy in the country in September 2013, among other suggestions, was headed by who among the following ? |
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Answer» The RBI’s expert panel which had suggested adoption of new Consumer Price Index (CPI) Anchoring monetary policy in the country in September 2013, among other suggestions, was headed by who among the following ? |
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| 943. |
What is meant by bar diagrams? |
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Answer» What is meant by bar diagrams? |
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| 944. |
Find the mean, standard deviation and variance of first n natural numbers. |
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Answer» Find the mean, standard deviation and variance of first n natural numbers. |
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| 945. |
Price Relatives = (Current year price/?) ×100 |
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Answer» Price Relatives = (Current year price/?) ×100 |
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| 946. |
State the kinds of correlation. |
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Answer» State the kinds of correlation. |
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| 947. |
As the manager of a company, you want to put together a team of two people who have dissimilar strengths. Three people X,Y and Z were asked to rate themselves on the skills of problem-solving (P), coordination (C), numeracy (N) and man-management (M). Their responses are tabulated below. SkillsXYZP1068C787M5910N876 Which two of them would you choose to make a team based on their responses? |
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Answer» As the manager of a company, you want to put together a team of two people who have dissimilar strengths. Three people X,Y and Z were asked to rate themselves on the skills of problem-solving (P), coordination (C), numeracy (N) and man-management (M). Their responses are tabulated below. |
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| 948. |
Based on the information given in the table, identify the kind of series the table represents : HeightFrequency155−15710157−15912159−1618161−1636 |
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Answer» Based on the information given in the table, identify the kind of series the table represents : |
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| 949. |
Inter-quartile range = ___ . |
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Answer» Inter-quartile range = |
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| 950. |
With mean as the base, calculate the mean deviation and compare the variability of the two series A and B. Series A10121620252730Series B10202225273140 |
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Answer» With mean as the base, calculate the mean deviation and compare the variability of the two series A and B. Series A10121620252730Series B10202225273140 |
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