Chapter 4 - 12 14 16-0.5-0.4-0.3-0.2-0.2 0.0 0.1 0.3 0.5...

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Chapter 4 – Displaying Quantitative Data ActivStats: 4-1 to 4-4 Read: Chapter 4 Changes in Enron’s Stock prices ( Jan. 1997 to Dec. 1999). Histogram Sorted data -4.50 -3.25 -1.75 -1.59 -1.44 -1.22 -0.88 -0.88 -0.75 -0.72 -0.69 -0.50 -0.50 -0.38 -0.28 -0.22 -0.16 0.03 0.12 0.34 0.47 0.62 0.69 0.75 0.78 0.81 1.16 1.47 2.06 2.22 2.44 3.28 3.34 4.12 4.31 5.62 Bins Frequency -6 to –4 1 -4 to -2 1 -2 to 0 15 0 to 2 11 2 to 4 5 4 to 6 3 Stem-and-leaf Display Sorted and rounded data: -4.5 -3.3 -1.8 -1.6 -1.4 -1.2 -0.9 -0.9 -0.8 -0.7 -0.7 -0.5 0 2 4 6 8 10
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Unformatted text preview: 12 14 16-0.5-0.4-0.3-0.2-0.2 0.0 0.1 0.3 0.5 0.6 0.7 0.8 0.8 0.8 1.2 1.5 2.1 2.2 2.4 3.3 3.3 4.1 4.3 5.6-4 5-3 3-2-1 8642-0 99877554322 013567888 1 25 2 124 3 33 4 13 5 6 Dotplot Data: 3 2 1 2 4 3 7 2 3 3 2 5 2 2 4 2 2 6 0 2 5 1 3 1 0 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . | | | | | | | | | | | 1 2 3 4 5 6 7 8 9 Graphs convey information about distribution of the data: shape, center, spread possible outliers....
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Chapter 4 - 12 14 16-0.5-0.4-0.3-0.2-0.2 0.0 0.1 0.3 0.5...

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