If the Pearson correlation is calculated for a sample of n = 20 individuals,what value for df should be used to determine whether or not the correlation is significant?
A)18
B)19
C)20
D)21

Question

If the Pearson correlation is calculated for a sample of n = 20 individuals,what value for df should be used to determine whether or not the correlation is significant?​
A)​18
B)​19
C)​20
D)​21

Quizplus · Accepted Answer

The degrees of freedom (df) for a Pearson correlation is calculated as n - 2, where n is the sample size. For n = 20, df = 20 - 2 = 18.

If the Pearson Correlation Is Calculated for a Sample of N