In testing the significance of a correlation coefficient, the degrees of freedom are
A) N
B) N - 1
C) N - 2
D) N - 3

Name: In testing the significance of a correlation coefficient, the degrees of freedom are A) N B) N - 1 C) N - 2 D) N - 3
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Quizplus · Accepted Answer

The degrees of freedom for testing the significance of a correlation coefficient are calculated as N - 2, where N is the sample size. This accounts for the two parameters estimated in correlation analysis (the slope and intercept of the line of best fit).

In Testing the Significance of a Correlation Coefficient, the Degrees