Gap Range | Mean | Observations | |
(−3, 0) | −2.31 | 1 | |
(0, 2) | 0.98 | 4 | |
(2, 4) | 2.86 | 11 | |
(4, 6) | 4.73 | 5 | |
(6, 8) | 6.65 | 2 | |
(8, 10) | 7.70 | 2 | |
Total | 25 | ||