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Q. Index no. for the base period is always taken as

Q. According to percentiles, the median to be measured must lie in

Q. In the class intervals 40 – 50, 50 – 60, the number 50 is included in which of the following?

Q. The value of a correlation is reported by a researcher to be r = −0.5. Which of the following statements is correct?

Q. The percent of total variation of the dependent variable Y explained by the set of independent variables X is measured by

Q. Laspeyre's formula does not obey:

Q. In Price Index Numbers prices can either be ?

Q. Half of the difference between upper and lower quartiles is called:

Q. In regression equation y=a+βx+e, both x and y variables are

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: