When performing a null hypothesis test on the Pearson correlation coefficient, what is the critical value when the sample size is 20 and alpha = .05 (2-tailed)?
0.4227
0.4438
0.5368
0.5614
When performing a null hypothesis test on the Pearson correlation coefficient, what is the critical value when the sample size is 14 and alpha = .01 (2-tailed)?
0.5742
0.6120
0.6226
0.6614
When performing a null hypothesis test on the Pearson correlation coefficient, what is the critical value when df = 60 and alpha = .05 (2-tailed)?
0.2108
0.2500
0.2948
0.3248
When performing an F test, what is the critical value when the dfN = 2, dfD = 80, and alpha = .01?
3.11
3.96
4.88
6.96