Here are all of the classes we will use for this example. A convenient way to list the intervals is to place the lowest values at the top and the highest values at the bottom.
Intervals |
65 - 70 |
70 - 75 |
75 - 80 |
80 - 85 |
85 - 90 |
90 - 95 |
95 - 100 |
100 - 105 |
105 - 110 |
110 - 115 |