Constructing a Frequency Distribution and a Frequency Histogram   In Exercises 31–34, construct a frequency distribution and a frequency histogram  for the data set using the indicated number of classes. Describe any patterns. 31.  Sales Number of classes: 6 Data set:  July sales (in dollars) for 21 sales representatives at  a company 2114  2468  7119  1876  4105  3183  1932 1355  4278  2000  1077  5835  1512  1697 2478  3981  1643  1858  1500  4608  1000

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