Table 1
Average scores of a maths exam in two schools
Scenario
School
Girls
Boys
Overall average score
N
Average score
N
Average score
A
1
48
91
52
81
85.8
2
48
90
52
80
84.8
B
1
40
91
60
81
85.0
2
60
90
40
80
86.0
C
1
48
91
52
81
85.8
2
52
90
48
80
85.2