If 𝝈𝒙 ൌ 𝟏𝟎, 𝝈𝒚 ൌ 𝟏𝟐, and bxy = – 0.8, then the value of correlation coefficient (r) is

– by
Question:

If 𝝈𝒙 ൌ 𝟏𝟎, 𝝈𝒚 ൌ 𝟏𝟐, and bxy = – 0.8, then the value of correlation coefficient (r) is

A.

– 0.84

B.

– 0.96

C.

– 0.75

D.

0.86

Answer» b. – 0.96

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