Q5Single correct3 Marks1 Sep 2024

Let r be the sample correlation coefficient for the data pairs (x_i, y_i), i = 1, 2, ..., n. Then, find the sample correlation coefficient for the data pairs (a + bx_i, c + dy_i), i = 1, 2, ..., n, provided that b and d have the same sign.

A

(ac + bd)r

B

r

C

$1$

D

Insufficient information