List of top Statistics Questions on Correlation Analysis

The test statistic for testing the significance of Spearman's rank correlation coefficient \((r_s)\) is :

The probable error of correlation coefficient \((r)\) is used for :

The hypothesis of \(H_0: \rho = \rho_0\) (a constant) can be tested by making use of the transformation:

If the correlation coefficient between two variables X and Y is 0.5, then the correlation coefficient between \(Z = 3X - 2\) and \(W = 2 - 3Y\) is: