Exhibit 13-3: Compare the Following Coefficients of Correlation and Their

Multiple Choice

Exhibit 13-3: Compare the following coefficients of correlation and their corresponding Ns, then answer the questions.Notice that all correlation values are statistically significant.
-Refer to Exhibit 13-3.Which coefficient of correlation involves a greater number of degrees of freedom?

A) r = +.80 N = 80
B) r = +.32 N = 300
C) r = -32 N = 40
D) r = -.87 N = 80