Question Here is a data set:
69.8
46.5
66.2
53.5
54.9
34.5
43.3
39.8
45.5
44.3
56.9
39.4
68.4
55.5
62.3
45.3
61.8
49.4
54.2
39.6
43.4
60.8
40.8
52
50
71.4
78.2
58.1
The goal is to construct a grouped frequency distribution table (GFDT) for this data set. The GFDT should
have 10 classes with a "nice" class width. Each class should contain its lower class limit, and the lower class
limits should all be multiples of the class width
This problem is to determine what the class width and the first lower class limit should be
What is the best class width for this data set?
optimal class width =
What should be the first lower class limit?
1st lower class limite
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