| Interval | Frequency | Relative Frequency | Total Frequency | xi2 | xi3 | xi4 |
|---|---|---|---|---|---|---|
| [20, 50) | 1 | 1 / 3 | 1 / 3 | 225 | -3375 | 50625 |
| [50, 80] | 2 | 2 / 3 | 3 / 3 | 450 | 6750 | 101250 |
3 * 20 - (80 - 20)
(80 - 20) / 3
1 + log2(3)
Right asymmetry
50625 / 50625 - 3
| Interval | Frequency | Relative Frequency | Total Frequency | xi2 | xi3 | xi4 |
|---|---|---|---|---|---|---|
| [25, 40) | 1 | 1 / 3 | 1 / 3 | 56.25 | -421.875 | 3164.063 |
| [40, 55] | 2 | 2 / 3 | 3 / 3 | 112.5 | 843.75 | 6328.125 |
3 * 10 - (55 - 25)
(55 - 25) / 3
1 + log2(3)
Right asymmetry
3164.06 / 3164.06 - 3