I have this question from Orinitnally from Probability and Statistics for Computer Scientists, Second Edition but with a hint

I just want part (a)

\f9.23. Anthony says to Eric that he is a stronger student because his average grade for the first six quizzes is higher. However, Eric replies that he is more stable because the variance of his grades is lower. The actual scores of the two friends (presumably, independent and normally distributed) are in the table. Quiz 1 Quiz 2 Quiz 3 Quiz 4 Quiz 5 Quiz 6 Anthony 85 92 97 65 75 96 Eric 81 79 76 84 83 77 (a) Is there significant evidence to support Anthony's claim? State Ho and HA. Test equality of variances and choose a suitable two-sample t-test. Then conduct the test and state conclusions. (b) Is there significant evidence to support Eric's claim? State Ho and HA and conduct the test