Question: Simply Stat Software (SSS) is sold in 52 computer supply stores. The following frequency distribution gives a breakdown of the number of sales by the

Simply Stat Software (SSS) is sold in 52 computer supply stores. The following frequency distribution gives a breakdown of the number of sales by the stores.

Number of SSS soldNumber of stores W/this number of sales (Frequency)

5 - 92

10 - 144

15 - 1911

20 - 2425

25 - 297

30 - 343

Which one of the following statements is true?

The cumulative relative frequency for the modal class is 0.808.
The mode is 25 stores.
The class width is 4.
The median is 8.67stores.
All the class widths are not the same.

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