Introduction to Graphic Displays

Introduction to Graphic Displays - Item Amount Tuition fees...

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Introduction to Graphic Displays Pie charts and bar charts are graphic displays of data for categorical variables. Dot plots, stem-and- leaf plots, histograms, and box-and-whisker plots are graphic displays of data for numerical  variables.  As an example, consider the yearly expenditures of a college undergraduate. After collecting her  data  (expense records) for the past year, she finds the expenditures shown in Table 1.  Table 1. Yearly Expenses of College Undergraduate
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Unformatted text preview: Item Amount Tuition fees $5,000 Room and board $9,000 Books and lab $2,000 Clothes/cleaning $1,000 Transportation $2,000 Insurance and miscellaneous $1,000 These figures, although presented in categories, do not allow for easy analysis. The reader must expend extra effort in order to compare amounts spent or relate individual proportions to the total. For ease of analysis, these data can be presented pictorially....
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This note was uploaded on 11/15/2011 for the course QMST 2333 taught by Professor Mendez during the Fall '08 term at Texas State.

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