Suppose You Will Perform a Test to Determine Whether There $r = \pm 0.514$

Multiple Choice

Suppose you will perform a test to determine whether there is sufficient evidence to support a claim of a linear correlation between two variables. Find the critical value(s) of r given that n=15 and $r = \pm 0.514$

A) $r = \pm 0.532$
B) $r = \pm 0.641$
C) $\alpha = 0.05$
D) r=0.514