A Hypothesis Test That Rho Is Zero Is Conducted at the 5

Multiple Choice

A hypothesis test that rho is zero is conducted at the 5% level of significance. If Spearman's (rho) is 0.50 for a sample of 15 observations, what is the critical value?

A) $\pm$ 2.160
B) $\pm$ 2.131
C) $\pm$ 1.771
D) $\pm$ 1.753