Question

For which data set is a linear regression most reasonable?

a set of nine data pairs with a correlation coefficient r= -0.4
a set of five data pairs with a correlation coefficient r = 0.3
a set of four data pairs with a correlation coefficient r = -0.8
a set of six data pairs with a correlation coefficient r = 0.6

Answer 1

a set of four data pairs with a correlation coefficient r = –0.8

Explanation:

edg 2022

Answer 2

the answer is C

Explanation: