Consider the following statements :
(A) Multiple correlation relates to study of joint effect of a group of variables upon a variable not included in the group.
(B) Partial correlation relates to study of only two variables eliminating the linear effect of other variables of the group.
1
Only (A) is true.
2
Only (B) is true.
3
Both (A) and (B) are true.
4
Neither (A) nor (B) is true.