1/ The length of the right arm of 5 males and 5 females is given below (in cm.)

Male: 42 36 39 39 44

Female: 30 32 38 35 33

Perform a p-value hypothesis test to determine if there is a difference in the variance in male and female arm length.

2/ A SRS of the hours spent studying the final exam in 3 different ULL courses is given below. Run a Hypothesis test to see if there is a difference in the mean time spent studying.

Math 15 12 8 11 15

Chemistry 9 2 12 10 7 6 5

Spanish 3 1 10 2 5 2