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Data was collected for 416 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall
Data was collected for 416 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 Guests | Frequency |
---|---|
40 - 49 | 76 |
50 - 59 | 85 |
60 - 69 | 90 |
70 - 79 | 75 |
80 - 89 | 90 |
What is the class width for this GFDT? Class width =
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