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Example 9
Example 9: Find the class midpoints for the hip-to-waist ratio example.
Hip-to-Waist Ratio | Class Boundaries | Class Midpoints | Frequency |
0.52 – 0.55 | 0.515 – 0.555 | 6 | |
0.56 – 0.59 | 0.555 – 0.595 | 17 | |
0.60 – 0.63 | 0.595 – 0.635 | 86 | |
0.64 – 0.67 | 0.635 – 0.675 | 230 | |
0.68 – 0.71 | 0.675 – 0.715 | 208 | |
0.72 – 0.75 | 0.715 – 0.755 | 23 | |
0.76 – 0.79 | 0.755 – 0.795 | 6 |