District | 2004-2005 | 2014-2015 | 2016-2017 | 2019-2020 |
West | 25.31 | 62.53 | 37.02 | 32.03 |
Midwest | 30.51 | 58.93 | 26.74 | 22.92 |
South | 36.14 | 67.67 | 51.14 | 43.62 |
Northeast | 30.63 | 67.64 | 47.08 | 43.60 |
df | 47 | 47 | 55 | 43 |
F critical | 2.82 | 2.82 | 2.78 | 2.84 |
p value | 1.10E−05 | 9.15E−05 | 2.77E−06 | 2.28E−05 |