List of top Economics Questions on Coefficient of Variation

Arrange the steps to compute the coefficient of variation \(CV\) in correct order: A. Compute standard deviation \(SD\), B. Divide \(SD\) by mean \(\bar{X}\), C. Compute Mean \(\bar{X}\), D. Multiply the ratio of \(SD\) and mean with 100 to express in percentage, E. Report CV.

The coefficient of variation is a relative measure of variability. It measures the

Suppose the slope coefficient in regression of Y on X is 15. What will be the slope coefficient in regression of Y +10 on X-5 ?

Which of the following is not the property of regression coefficients?

Which of the following is a method used for measurement of cyclical variations?

Which of the following is computed by using the formula: 1-r^2/√n

Which of the following is a control chart for variable?

For a strictly convex function f(x), which one of the following is true? [0 < λ< 1]

Suppose that for a random sample of size 10. sample covariance between variables X and Y is 100, and sample variances of X and Y are 25 and 400 respectively. What is the value of sample correlation coefficient between X and Y?

Match List-I with List-II :

List-I		List-II
(A)	Mode	(I)	Measure of sampling variability
(B)	Quartile deviation	(II)	Measure of strength of linear relation
(C)	Correlation coefficient	(III)	Measure of central tendency
(D)	Standard error	(IV)	Measure of dispersion

Choose the correct answer from the options given below:

Suppose the correlation coefficient between two variables X and Y is 0.6, what proportion of variation in Y is explained by variation in X?