Make a dot plot that shows the number of hours of sleep people get based on different age groups:
Age Group | Number of Hours of Sleep
10-20 | 7, 6, 8, 7, 8
21-30 | 6, 7, 8, 8, 7
31-40 | 7, 6, 6, 7, 8
41-50 | 7, 7, 6, 8, 7
51-60 | 7, 8, 6, 8, 6