Data was collected for 259 randomly selected 10 minute intervals. For

Terrie Lang

Terrie Lang

Answered question

2021-12-06

Data was collected for 259 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the table below.
Number of GuestsFrequency1001195712013965140159381601791518019984
What is the class width for this GFDT?
Class width = ?

Answer & Explanation

Cheryl King

Cheryl King

Beginner2021-12-07Added 36 answers

Step 1 
The distance between lower limits for consecutive classes is used to calculate class breadth. There are now five classes. The lower bounds of the classes are provided by, 
100,120,140,160,180 
As a result, the class breadth is provided by,
120100=140120=160140=180160=20 
Step 2 
As a result, the class width is =20

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