When conducting a hypothesis test for the Pearson correlation coefficient, degrees of freedom is calculated by: A) $\ \Sigma$(X - M_X)². B) (N₁ - 1)(N₂ - 1). C) N - 1. D) N - 2.

Question

Quizplus · Accepted Answer

For a hypothesis test for Pearson correlation coefficient, the degrees of freedom are calculated as N-2, where N is the number of pairs of observations. So, option D is the correct choice.

When Conducting a Hypothesis Test for the Pearson Correlation Coefficient Σ\ \Sigma Σ

When Conducting a Hypothesis Test for the Pearson Correlation Coefficient $\ \Sigma$