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Histograms
2. Describing Data with Tables and Graphs / Histograms / Problem 8
Problem 8

The following data set shows the number of hours 2424 employees worked overtime last month:
12  25  33  41  18  29  37  4415  34  27  35  16  19  24  3038  42  14  20  26  32  39  45\begin{aligned}12~~25~~33~~41~~18~~29~~37~~44 & \\ 15~~34~~27~~35~~16~~19~~24~~30 & \\ 38~~42~~14~~20~~26~~32~~39~~45 & \end{aligned}
Construct a relative frequency histogram with 55 classes.