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Q. The degree of peaked ness or flatness of a unimodel distribution is called:

Q. Secular trend can be measured by:

Q. A ratio or an average of ratios expressed as a percentage is called

Q. In a bivariate sample, the sum of squares of differences between marks of observed values of two variables is 33 and the rank correlation between them is 0.8. Find the number of pairs of observations:

Q. Which of the following can’t be a component for a time series plot?

Q. Index nos. show changes rather than absolute amounts of change.

Q. What type of index number can help the government to formulate its price policies and to take appropriate economic measures to control prices:

Q. Given Mean = 70.2 and mode = 70.5. Find the median using empirical relationship among them.

Q. In regression analysis, the variable that is being predicted is the:

Q. Find the mode of the set (8, 5, 7, 10, 15, 21, 5, 7, 2, 5)