Q.Assertion (A) : The correlation coefficient is the mean of the cross products of the Z scores of two variables. Reason (R) : The units of measurement of the variables have absolutely nothing to do with the correlation between the two variables. Codes :
Correct answer: Both (A) and (R) are true, but (R) is not the correct explanation of (A).
Explanation
A correlation is a measure of the association or the relationship that exist between two variables. The correlation coefficient is the mean of the cross products of the Z scores of two variables. Correlation coefficient gives magnitude and direction of the relationship
A correlation is a measure of the association or the relationship that exist between two variables. The correlation coefficient is the mean of the cross products of the Z scores of two variables. Correlation coefficient gives magnitude and direction of the relationship