Answer
Since $242\lt2\times157.1$, the requirement of equal variances is satisfied.
Work Step by Step
In MINITAB, enter the White Male values in C1, the Black Male values in C2, White Female values in C3 and in C4 enter the Black Female values.
Select Stat -> Basic Statistics -> Display Descriptive Statistics
In Variables enter C1 C2 C3 C4
Click in Statistics. Select standard deviation. Click OK.
Click Ok.
