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Prepared by Charlie Cook The University of West Alabama © 2009 South-Western, a part of Cengage Learning Business Statistics: Assignments Chapter 24

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24–2 © 2009 South-Western, a part of Cengage Learning

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24–3 © 2009 South-Western, a part of Cengage Learning Business statistics Statistics Purposes of statistics To summarize and report performance To analyze options in making decisions Average Mean Median Mode 1 T E R M S

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24–4 © 2009 South-Western, a part of Cengage Learning Statistical Averages: Computing the Mean 1 E X A M P L E

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24–5 © 2009 South-Western, a part of Cengage Learning Determining the Median 2 E X A M P L E

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24–6 © 2009 South-Western, a part of Cengage Learning Determining the Mode 3 E X A M P L E

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24–7 © 2009 South-Western, a part of Cengage Learning to Develop a Frequency Table 1.Determine the classes of data, and list the classes in one column. 2.Tally the data by making one mark for each data item in the column next to the appropriate class. 3.Count the tally marks for each class and write the number in the column next to the tally marks. 4

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24–8 © 2009 South-Western, a part of Cengage Learning Figure 24.1Frequency Table

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24–9 © 2009 South-Western, a part of Cengage Learning to Compute the Mean for a Large Data Set 1.Add all the numbers in each column. 2.Add all the numbers in each row. 3.Compute the grand total by adding all the column totals. 4.Check the grand total by adding all the row totals. 5.Divide the grand total by the number of values to get the mean. 4

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24–10 © 2009 South-Western, a part of Cengage Learning Figure 24.2Histogram

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24–11 © 2009 South-Western, a part of Cengage Learning Figure 24.3Revenues, Expenses, and Net Profits (in millions of dollars)

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24–12 © 2009 South-Western, a part of Cengage Learning Figure 24.4Bar Graph

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24–13 © 2009 South-Western, a part of Cengage Learning Figure 24.5Comparative Bar Graph

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24–14 © 2009 South-Western, a part of Cengage Learning Figure 24.6Component Bar Graph

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24–15 © 2009 South-Western, a part of Cengage Learning Figure 24.7Comparative Bar Graph

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24–16 © 2009 South-Western, a part of Cengage Learning Figure 24.8Line Graph

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24–17 © 2009 South-Western, a part of Cengage Learning Figure 24.9Histogram—Residential Division

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24–18 © 2009 South-Western, a part of Cengage Learning Figure 24.10Histogram—Commercial Division

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24–19 © 2009 South-Western, a part of Cengage Learning Figure 24.11Sales Revenue for Bay View Market—Current Year

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24–20 © 2009 South-Western, a part of Cengage Learning Figure 24.12Pie Chart

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24–21 © 2009 South-Western, a part of Cengage Learning Assignment 24.1: Statistical Averages A Solve the following problems.

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24–22 © 2009 South-Western, a part of Cengage Learning Assignment 24.1: Statistical Averages A Solve the following problems.

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24–23 © 2009 South-Western, a part of Cengage Learning Assignment 24.1: Statistical Averages A Solve the following problems.

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24–24 © 2009 South-Western, a part of Cengage Learning Assignment 24.1: Statistical Averages B Solve the following problems.

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24–25 © 2009 South-Western, a part of Cengage Learning Assignment 24.1: Statistical Averages B Solve the following problems.

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24–26 © 2009 South-Western, a part of Cengage Learning Assignment 24.2: Graphs and Charts A Complete the following problem as directed.

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24–27 © 2009 South-Western, a part of Cengage Learning Assignment 24.2: Graphs and Charts A Complete the following problem as directed.

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24–28 © 2009 South-Western, a part of Cengage Learning Assignment 24.2: Graphs and Charts B Complete the following problem as directed. a.Make a comparative bar graph showing the monthly sales revenue for each shop. Label each axis, and write a title under the graph. Shade the bars for each shop differently.

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24–29 © 2009 South-Western, a part of Cengage Learning Assignment 24.2: Graphs and Charts B Complete the following problem as directed. a.On the same grid, make line graphs showing the monthly sales revenue for each shop. Label each axis, and write a title under the graph. Use a solid line for Cortez Printing and a dashed line for Carla’s Copies.

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24–30 © 2009 South-Western, a part of Cengage Learning Assignment 24.2: Graphs and Charts B Complete the following problem as directed.

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24–31 © 2009 South-Western, a part of Cengage Learning Assignment 24.2: Graphs and Charts C Complete the following problem.

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24–32 © 2009 South-Western, a part of Cengage Learning Assignment 24.2: Graphs and Charts C Complete the following problem.

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24–33 © 2009 South-Western, a part of Cengage Learning Assignment 24.2: Graphs and Charts C Complete the following problem.

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24–34 © 2009 South-Western, a part of Cengage Learning Chapter Terms for Review average bar graph business statistics classes of data comparative bar graph component bar graph frequency frequency table grouped data histogram line graph mean median mode pie chart statistics ungrouped data

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