Question
Asked Oct 27, 2019
Use the given minimum and maximum data​ entries, and the number of​ classes, to find the class​ width, the lower class​ limits, and the upper class limits.
 
minimum=16
maximum=123
8 classes 
 
check_circleExpert Solution
Step 1

Solution:

The width of each class is obtained below:

From the given information, minimum is16, maximum is123 and number of classes is 8.

The width of each class is,

Range
Width
Number of classes
Maximum-Minimum
Number of classes
123-16
8
13.375
14
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Range Width Number of classes Maximum-Minimum Number of classes 123-16 8 13.375 14

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Step 2

The lower and upper class limits are obtained below:

The lower class​ limits are 16,30,44,58,72,86,100,114.

The upper class​ limits are 29,42,57,71,85,99...

Lower class limits
Upper class limits
16+(14-1)-29
30+(14-1) 43
44+(14-1)=57
58+(14-1)=71
72+(14-1)-85
86+(14-1)=99
100+(14-1)=113
16
16+14-30
30+14-44
44+14-58
58+14-72
72+14-86
86+14-100
100+14=114
114+(14-1)=127
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Lower class limits Upper class limits 16+(14-1)-29 30+(14-1) 43 44+(14-1)=57 58+(14-1)=71 72+(14-1)-85 86+(14-1)=99 100+(14-1)=113 16 16+14-30 30+14-44 44+14-58 58+14-72 72+14-86 86+14-100 100+14=114 114+(14-1)=127

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