Here is a sample data set that appears to be nearly normal (as suggested by the histogram). 69.8 86.4 66 80.7 66.5 62.4 79.4
72 74.4 62.5 64.6 68.4 66 81.8
73.5 80.7 71.6 55.5 65.6 76.5 63.5
74.7 69.6 76.2 | 67.1 73 65.3 61
88.4 80.771.4 84 75.1 53.668
73.3 72.9 62.7 76.9 61.4 66.3 72.9
54.3 64.9 72.9 65.6 74 71.8 64.3
67.1 | 66.7 62.4 72 70.6 63.5 81.2
60.6 | 74.7 57.6 82.476.5 74.9 59.7
75.1 68.6 71.6 57.6 71.2 71.2 70.2
20
15
Frequency
10
50 55 60 65 70 75 80 85 90
length (cm)