Which of the following statements are relevant with respect to Pearson's Product-Moment Correlation coefficient?
A. Both variables have come from the normally distributed population.
B. rxy is a non-parametric measure of the relationship.
C. It is known as the covariance of the two variables.
D. It is highly suitable to measure relationship of attributes like 'preferences’ 'efficiency’ and intelligence’,
Choose the most appropriate answer from the options given below:
1
A and B only
2
B and C only
3
A and C only
4
C and D only