Assignment:
Question
Below you are given the examination scores of 20 students (data set also provided in accompanying MS Excel file).
a. Construct a frequency distribution, cumulative frequency distribution, relative frequency distribution, cumulative relative frequency distribution and percent frequency distribution for the data set using a class width of 10.
b. Construct a histogram showing the percent frequency distribution of the examination scores. Comment on the shape of the distribution.
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52
|
99
|
92
|
86
|
84
|
|
63
|
72
|
76
|
95
|
88
|
|
92
|
58
|
65
|
79
|
80
|
|
90
|
75
|
74
|
56
|
99
|