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OpenStax, Introductory Statistics 2e §2.2 Histograms, Frequency Polygons, and Time Series Graphs · Try It 1 · Statistics · Data displays

Histograms, Frequency Polygons, and Time Series Graphs · Try It 1

The following data are the shoe sizes of 50 students. The sizes are discrete data since shoe size is measured in whole and half units only. Construct a histogram and calculate the width of each bar or class interval. Suppose you choose six bars.
9; 9; 9.5; 9.5; 10; 10; 10; 10; 10; 10; 10.5; 10.5; 10.5; 10.5; 10.5; 10.5; 10.5; 10.5
11; 11; 11; 11; 11; 11; 11; 11; 11; 11; 11; 11; 11; 11.5; 11.5; 11.5; 11.5; 11.5; 11.5; 11.5
12; 12; 12; 12; 12; 12; 12; 12.5; 12.5; 12.5; 12.5; 14

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OpenStax, Introductory Statistics 2e · §2.2 Histograms, Frequency Polygons, and Time Series Graphs · Try It 1

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