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Question: If the values of regression coefficients are – 0.33 and – 1.33, then the value of coefficient of cor...

If the values of regression coefficients are – 0.33 and – 1.33, then the value of coefficient of correlation between the two variables, is

A

0.2

B

– 0.66

C

0.4

D

– 0.4

Answer

– 0.66

Explanation

Solution

r=(−0.33)(−1.33)=−0.66r = \sqrt{( - 0.33)( - 1.33)} = - 0.66.