OEIs | n. of students | Sum | Mean | Variance | |
---|---|---|---|---|---|
School 1 | 7 | 146 | 20.86 | 0.81 | |
School 2 | 42 | 922 | 21.95 | 1.85 | |
School 3 | 13 | 306 | 23.54 | 2.27 | |
School 4 | 13 | 282 | 21.69 | 4.06 | |
School 5 | 11 | 231 | 21.00 | 3.60 | |
School 6 | 75 | 1845 | 24.60 | 7.08 | |
School 7 | 7 | 164 | 23.43 | 1.95 | |
SQ | DoF | MS | F | p | |
Among groups | 335.43 | 6 | 55.90 | 12.36 | < 0.001 |
In groups | 728.48 | 161 | 4.52 | ||
Total | 1063.91 | 167 |