In a sample of n = 36,the Student's t test statistic for a correlation of r = −.450 would be
A)−2.110
B)−2.938
C)−2.030
D)impossible to calculate without knowing α.

Question

Quizplus · Accepted Answer

The formula for calculating the t test statistic for a correlation is t = r√((n-2)/(1-r^2)). Plugging in the values, we get t = -.450√((36-2)/(1-(-.450)^2)) = -2.938. Therefore, the answer is B.

In a Sample of N = 36,the Student's T Test