For a sample of n = 16 individuals, how large a Pearson correlation is necessary to be statistically significant for a two-tailed test with $\alpha=.05$ ?
A)0.497
B)0.482
C)0.468
D)0.456

Question

Quizplus · Accepted Answer

For a sample size of n = 16, the degrees of freedom (df) is n - 2 = 14. Using a Pearson correlation table or calculator, the critical value for a two-tailed test with $\alpha = .05$ and df = 14 is approximately 0.497.

For a Sample of N = 16 Individuals, How Large α=.05\alpha=.05α=.05

For a Sample of N = 16 Individuals, How Large $\alpha=.05$