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Data was collected for 338 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall

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Data was collected for 338 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 160 - 179 51 180 - 199 47 200 - 219 97 220 - 239 81 240 - 259 62 What is the class width for this GFDT? Class width =

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