MINNOW SCHOOL SIZE
TRIAL
3
5
10
15
20
1
0.9
0.7
0.4
0.4
0.1
2
0.8
0.8
0.5
0.5
0.1
3
0.7
0.9
0.6
0.3
0.2
4
1.1
0.6
0.8
0.2
0.3
5
1.0
1.0
0.7
0.6
0.3
MEAN NUMBER OF APROACHES/MINUTE
STANDARD DEVIATION