Twenty babies were born in one week in the maternity ward of a hospital. The weight of each baby to the nearest pound is listed below. 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10 Which of the following dot plots represents the distribution of the babies' weights that week?