# Question

Suppose a data set contains the ages of 135 autoworkers ranging from 20 to 53 years.

a. Using Sturge’s formula given in footnote 1 in section 2.2.2, find an appropriate number of classes for a frequency distribution for this data set.

b. Find an appropriate class width based on the number of classes in part a.

a. Using Sturge’s formula given in footnote 1 in section 2.2.2, find an appropriate number of classes for a frequency distribution for this data set.

b. Find an appropriate class width based on the number of classes in part a.

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