Question: Which average is affected most by extreme observations A. mode B. medium C. geometric mean D. arithmetic mean Answer» c. geometric mean Note: The above multiple-choice question is for all general and Competitive Exams in India. 

Question: Earthquake is an example of A. secular trend B. seasonal variation C. cyclical variation D. irregular variation Answer» d. irregular variation Note: The above multiple-choice question is for all general and Competitive Exams in India. 

Question: The major purpose of price index is to measure change in the ………… A. standard of living B. gold content of money C. buying power of money D. capacity to produce Answer» c. buying power of money Note: The…

Question: The positionl value which divide the data into 100 equal parts are A. decile B. percentile C. quartiles D. octiles Answer» b. percentile Note: The above multiple-choice question is for all general and Competitive Exams in India. 

Question: In case of simple correlation, the number of variables involved are A. 1 B. 2 C. 3 D. 4 Answer» b. 2 Note: The above multiple-choice question is for all general and Competitive Exams in India. 

Question: If b1 and b2 are the regression coefficient of Y on X and that of X on Y respectivelyand r is the correlation coefficient between X and Y then: A. = B. = C. = D. ℎ Answer» d.…

Question: The coefficient of correlation: A. always positive B. always negative C. cannot be negative D. can be both positive and negative Answer» d. can be both positive and negative Note: The above multiple-choice question is for all general and…

Question: Which one of the following index numbers is based on Geometric Mean ? A. lasperyres index number B. fischer’s index number C. paasches index number D. bowley’s index number Answer» b. fischer’s index number Note: The above multiple-choice question…

Question: The measure which is not used for mortality is A. crude death rate B. age specific death rate C. standardised death rate D. crude birth rate Answer» d. crude birth rate Note: The above multiple-choice question is for all…

Question: Consumer price index number indicates A. the general price level B. the wholesale price level C. export price D. all of these Answer» a. the general price level Note: The above multiple-choice question is for all general and Competitive…