Do Girls Get More Sleep on an Average School  Night?

Data

Male Female
8.5 7
6 4
7 8
9 7
8 8
8 8
7 7
4 6
6 6
8 6
8 6
7 5
7 3
6 6
6 10
6.5 5
7 7
8 4
6 5
6.5 5
6.5 9
6.5 6
7.75 5
9.5 6
6.5 6
6.5 7.5
7 7
7.5 8
8 7
7.66 9
7 6
6.5
4.5
7.5
4.5
4.5
6.5
6
6.5
8
6
8.5
6
6