Use the Following Data and a Test of the Equality $\alpha$

Multiple Choice

Use the following data and a test of the equality of variances for two populations at $\alpha$ = .10,where sample 1 is randomly selected from population 1 and sample 2 is randomly selected from population 2.Identify the critical value used for testing the equality of the variances.

A) 1.138
B) 1.645
C) 5.05
D) 6.39