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

question 97

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 permits more accurate prediction of one variable from the other?

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

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