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Guide to Using Excel 2003 For Basic Statistical Applications To Accompany Business Statistics: A Decision Making Approach, 7th Ed. Chapter 2: Graphs, Charts.

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Presentation on theme: "Guide to Using Excel 2003 For Basic Statistical Applications To Accompany Business Statistics: A Decision Making Approach, 7th Ed. Chapter 2: Graphs, Charts."— Presentation transcript:

1 Guide to Using Excel 2003 For Basic Statistical Applications To Accompany Business Statistics: A Decision Making Approach, 7th Ed. Chapter 2: Graphs, Charts and Tables - Describing Your Data By Groebner, Shannon, Fry, & Smith Prentice-Hall Publishing Company Copyright, 2008

2 Chapter 2 Excel 2003 Examples  Frequency Distributions - Frequency Distributions - Athletic Shoe Survey  Histograms- Histograms- Capital Credit Union  Joint Frequency Distributions- Joint Frequency Distributions- Capital Credit Union  Joint Relative Frequencies-Joint Relative Frequencies- Capital Credit Union More Examples

3 Chapter 2 Excel Examples (continued)  Bar Charts- Bar Charts- Bach, Lombard & Wilson  Line Charts-Line Charts- McGregor Vineyards  Scatter Diagrams-Scatter Diagrams- Personal Computers

4 Frequency Distributions Athletic Shoe Survey Issue: Analyze the data from a survey of 100 college students regarding the number of Nike shoes they own. Objective: Use Excel to develop a frequency distribution for the number of Nike shoes owned by college students. Data File is SportShoes.xls

5 Open the Excel file called SportShoes.xls File contains 100 observations - Last row is 101 - Column E contains the Number of Nike Shoes Owned Frequency Distributions-Athletic Shoe Survey

6 Enter Possible Number of Shoes Owned Frequency Distributions-Athletic Shoe Survey

7 Highlight range of cells to hold frequency counts Frequency Distributions-Athletic Shoe Survey

8 Click on (function wizard) Select Statistical option Select Frequency function Frequency Distributions-Athletic Shoe Survey

9 Enter the cells containing the possible values for the variable Last Step -- Press Ctrl -Shift - Enter Don’t Press OK Frequency Distributions-Athletic Shoe Survey Enter the cells containing the data

10 Resulting Frequency Counts Frequency Distributions-Athletic Shoe Survey

11 Histograms Capital Credit Union Issue: Analyze credit card balances for Capital Credit Union customers using a frequency distribution and histogram. Objective: Use Excel to develop a frequency distribution and histogram for credit card balances. Use ten class intervals. Data file is Capital.xls

12 Open the Excel file called Capital.xls File contains 300 observations - Last row is 301 - Column B contains the balances Histograms-Capital Credit Union

13 Use Excel Max function to determine largest value Histograms-Capital Credit Union

14 Use Excel Min function to determine largest value Histograms-Capital Credit Union

15 Compute Class Width Round Up to $150.00 $90 to less than $240 $240 to less than $390 Class Intervals $390 to less than $540 etc…. Histograms-Capital Credit Union

16 Construct the Bins (the upper limit of each class. Histograms-Capital Credit Union

17 Select Tools and Data Analysis Histograms-Capital Credit Union

18 Select the Histogram option Histograms-Capital Credit Union

19 Complete the Histogram Wizard - Note, check Chart Output. Placing output on a new worksheet is optional. Histograms-Capital Credit Union

20 This is Excel’s Default Output. You need to make some modifications to make it acceptable for most applications. Histograms-Capital Credit Union

21 Select the graph by clicking it. Note, the points on the graph boarder indicate it has been selected. Enlarge Graph by dragging from lower right corner down and to the right. Histograms-Capital Credit Union

22 Histograms should have no gaps between the bars! Select the bars on the graph by clicking on any bar - then right click. Histograms-Capital Credit Union

23 Click on Selected Object Histograms-Capital Credit Union

24 Click on Options tab Histograms-Capital Credit Union

25 Set Gap Width to 0 to close the gaps between the bars - click OK Histograms-Capital Credit Union

26 Label the Graph Variable – Select the “Bin” Label and type desired label. Press the Enter key. Histograms-Capital Credit Union

27 The legend is not needed. Select it and press the delete key Histograms-Capital Credit Union

28 1. Enter Correct Group Labels 2. Select the horizontal axis line 3. Select Format Axis Histograms-Capital Credit Union

29 Select Font and make desired changes. Histograms-Capital Credit Union

30 Select Alignment and make desired changes. Histograms-Capital Credit Union

31 Select the “More” row and press the Delete key Histograms-Capital Credit Union

32 You can make other modifications to the histogram – color, labels, size, etc. Histograms-Capital Credit Union

33 Joint Frequency Distributions Capital Credit Union Issue: Analyze the credit card balances by gender of the card holder. Objective: Use Excel to develop a joint frequency distribution for the credit card balances by gender. Data File is Capital.xls

34 Open the Excel file called Capital.xls File contains 300 observations - Last row is 301 - Column B contains the balances – Column C contains the gender codes Joint Frequency Distributions-Capital Credit Union

35 1. Place cursor in any data cell. 2. Select Data and Pivot Table and Pivot Chart Report Joint Frequency Distributions-Capital Credit Union

36 Click on Next Joint Frequency Distributions-Capital Credit Union

37 Make sure that the data range is correct and then click on Next Joint Frequency Distributions-Capital Credit Union

38 We recommend putting the pivot table on a new worksheet Click Options Joint Frequency Distributions-Capital Credit Union

39 Select desired Options Joint Frequency Distributions-Capital Credit Union

40 Click Layout Joint Frequency Distributions-Capital Credit Union

41 Drag Balance to row and Gender to column. To get frequency count, drag any variable to the Data area. Joint Frequency Distributions-Capital Credit Union

42 We want a frequency count, not a sum. Double click on column. Joint Frequency Distributions-Capital Credit Union

43 Select Count - Click OK Joint Frequency Distributions-Capital Credit Union

44 Click OK Joint Frequency Distributions-Capital Credit Union

45 Click Finish Joint Frequency Distributions-Capital Credit Union

46 Joint Frequency Distribution. However, we need to group the balance variable to gain information. Joint Frequency Distributions-Capital Credit Union

47 Place cursor in any balance cell. Then right click. Joint Frequency Distributions-Capital Credit Union

48 Select Group and Outline – then select Group Joint Frequency Distributions-Capital Credit Union

49 By: is the group width. Change to 150 – click on OK Joint Frequency Distributions-Capital Credit Union

50 Completed Joint Frequency Distribution Joint Frequency Distributions-Capital Credit Union

51 Objective: Use Excel to develop a joint relative frequency distribution for the credit card balances by gender. Data File is Capital.xls Note: See Previous Example for Beginning Pivot Table Instructions. Joint Relative Frequencies Capital Credit Union

52 Place Cursor in any cell in the table – Right Click – select Pivot Table Wizard. Joint Relative Frequencies-Capital Credit Union

53 Select Layout Joint Relative Frequencies-Capital Credit Union

54 Double Click on Data field Joint Relative Frequencies-Capital Credit Union

55 Click on Options Joint Relative Frequencies-Capital Credit Union

56 Click of % of Total in Show data as area – then OK Joint Relative Frequencies-Capital Credit Union

57 Click OK Joint Relative Frequencies-Capital Credit Union

58 Click Finish Joint Relative Frequencies-Capital Credit Union

59 Completed Joint Relative Frequency Distribution Joint Relative Frequencies-Capital Credit Union

60 Bar Charts Bach, Lombard, & Wilson Issue: An electronics company is being sued on the grounds that female new hires are paid less than male new hires. The law firm needs to analyze salary data to prepare the case. Objective: Use Excel to develop bar charts for the starting salary data for males and females. Data File is Bach.xls

61 Open the Excel file called Bach.xls Bar Charts-Bach, Lombard & Wilson

62 Select the data in Columns A-C. Select Chart Wizard. Select Column Option Bar Charts-Bach, Lombard & Wilson

63 Define X- axis range (Years) Remove Years Variable from Graph Select Series tab Bar Charts-Bach, Lombard & Wilson

64 Enter labels for Groups Series 2 = Males Series 3 = Females Bar Charts-Bach, Lombard & Wilson

65 Enter Chart Titles and Make other desired format changes Bar Charts-Bach, Lombard & Wilson

66 Completed Bar Chart – Males have higher starting salaries each year. Bar Charts-Bach, Lombard & Wilson

67 Bar Charts- Bach, Lombard, & Wilson (continued) Issue: An electronics company is being sued on the grounds that female new hires are paid less than male new hires. The law firm needs to analyze salary data to prepare the case. Objective: Use Excel to develop bar chart for the average starting salary of males and females hired with and without MBA’s. Data File is Bach.xls

68 Select Data from Columns G - J Click on Chart Wizard. Select Bar option Bar Charts-Bach, Lombard & Wilson

69 Enter Chart Titles and Make other desired format changes Bar Charts-Bach, Lombard & Wilson

70 To Modify Colors, Select the bars, Right Click – Choose Selected Object, then Click Options, Select Vary Colors by Point Bar Charts-Bach, Lombard & Wilson

71 To Show the data values on the bars, select Data Labels – click Show value. Bar Charts-Bach, Lombard & Wilson

72 Completed Bar Chart – Females with MBA’s paid higher than males on Average Bar Charts-Bach, Lombard & Wilson

73 Line Charts- McGregor Vineyards Issue: Analyze the sales and profits data over time. Objective: Use Excel to develop line charts for weekly sales and profits. Data File is McGregor.xls

74 Open the Excel file called McGregor.xls File contains 20 weeks of historical data - last row is 21 Line Charts-McGregor Vineyards

75 Highlight the variable (Sales) to graphed. Click on Chart Wizard Line Charts-McGregor Vineyards

76 Select Line chart type and desired sub-type – then click on Next Line Charts-McGregor Vineyards

77 Click on Series Tab – Enter data range containing the X-axis labels – then Next Line Charts-McGregor Vineyards

78 Add Titles –remove legend, etc. Line Charts-McGregor Vineyards

79 Determine location for graph. Line Charts-McGregor Vineyards

80 Optionally, to remove/change background color, select the graph – right click – select Format Plot Area Line Charts-McGregor Vineyards

81 To remove background, set Boarder and Area to None Line Charts-McGregor Vineyards

82 Finished Line Chart for Sales – Now repeat the process for the Profit Variable. Line Charts-McGregor Vineyards

83 Completed - Two individual line graphs. Next, graph both variables on the one line graph Line Charts-McGregor Vineyards

84 Highlight both variables – click on the Chart Wizard Line Charts-McGregor Vineyards

85 Select Line chart type and desired sub-type – then click on Next Line Charts-McGregor Vineyards

86 Click on Series Tab – Enter data range containing the X-axis labels – then Next Line Charts-McGregor Vineyards

87 Add Titles –remove grid- lines, etc. Line Charts-McGregor Vineyards

88 Determine location for graph. Line Charts-McGregor Vineyards

89 Completed Line chart with two variables graphed - Notice the scale problem. We need to develop a line chart with two vertical scales Line Charts-McGregor Vineyards

90 Select the chart – right click – select Chart Type Line Charts-McGregor Vineyards

91 Click on Custom Types – then select Lines on 2 Axis – click OK Line Charts-McGregor Vineyards

92 Completed Line graph – Need to add labels Line Charts-McGregor Vineyards

93 Select entire chart – right click – select Chart Options Line Charts-McGregor Vineyards

94 Add Titles Line Charts-McGregor Vineyards

95 Completed Line Chart with Two Variables and Two Axes. Line Charts-McGregor Vineyards

96 Scatter Diagrams- Personal Computers Issue: Analyze the relationship between PC sales price and the processing speed of the PC Objective: Use Excel to develop a scatter diagram for PC price and speed. Data File is Personal Computers.xls

97 Open the Excel file called Personal Computers.xls File contains data for 13 PC’s Scatter Diagrams- Personal Computers

98 Highlight the data making sure to include the variables to be graphed.

99 Click on the Chart Wizard and then select XY (Scatter) the Next Scatter Diagrams- Personal Computers

100 Click Next Scatter Diagrams- Personal Computers

101 Enter Titles, remove grid lines and legend – then click on Next Scatter Diagrams- Personal Computers

102 Specify Location for the Graph – then click Next Scatter Diagrams- Personal Computers

103 Completed Scatter Diagram Scatter Diagrams- Personal Computers


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