CHAPTER 2

If we round up the largest data value (109) to 110 and we round down the smallest data value (52) to 50, we have a range of 110 – 50 = 60 for the frequency distribution to span. If we choose 10 as the class width, the result will be 60/10 = 6 classes, which is a reasonable number of classes. The data is in integer dollar … ................
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