Scores made in the final exam by an elementary statistics section can be summarized in the following grouped frequency distribution:
Class No. 1
Class Midpoint 14.5
Frequency 3
2
24.5
3
34.5
4
44.5
5
54.5
6
64.5
11
7
74.5
14
8
84.5
9
94.5
The mean and standard deviation calculated from these data are 65.48 and 20.957, respectively. At a 5% level of significance do the above data differ from a Normal Distribution?
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