In simple linear regression,the coefficient of correlation r and the least squares estimate b₁ of the population slope β₁: A)must be equal. B)must have the same sign. C)are not related. D)None of these choices.

Question

Quizplus · Accepted Answer

The coefficient of correlation (r) and the least squares estimate of the population slope (b) must have the same sign. This is because both r and b reflect the direction of the relationship between the two variables involved in the regression.

In Simple Linear Regression,the Coefficient of Correlation R and the Least