When the correlation coefficient r = ±1, the two regression lines:

April 28, 2021 – by admin

Question:

When the correlation coefficient r = ±1, the two regression lines:

A.

are perpendicular to each other

B.

are parallel to each other

C.

coincide

D.

do not exist

Answer» c. coincide

Note:

The above multiple-choice question is for all general and Competitive Exams in India.