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6. Excel's pyramid charts make it easier to read the data values. FALSE Avoid novelty charts when a plain bar chart will do. AACSB: Analytic Blooms: Remember Diﬃculty: 1 Easy Learning Objective: 03-09 Recognize deceptive graphing techniques. Topic: Deceptive Graphs 7. Dot plots are similar to histograms with many bins (classes). TRUE Height of the dot stack is analogous to bar height. AACSB: Analytic Blooms: Understand Diﬃculty: 2 Medium Learning Objective: 03-01 Make a stem-and-leaf or dot plot by hand or by computer. Topic: Stem-and-Leaf Displays and Dot Plots 8. Compared to a dot plot, we lose some detail when we present data in a frequency distribution. TRUE Individual data values are easier to see on a dot plot. AACSB: Analytic Blooms: Understand Diﬃculty: 2 Medium Learning Objective: 03-02 Create a frequency distribution for a data set. Topic: Frequency Distributions and Histograms 9. Stacked dot plots are useful in understanding the association between two paired quantitative variables ( X , Y ). FALSE You would prefer a scatter plot for X - Y data. AACSB: Analytic Blooms: Understand Diﬃculty: 3 Hard Learning Objective: 03-01 Make a stem-and-leaf or dot plot by hand or by computer. Topic: Stem-and-Leaf Displays and Dot Plots 10. Log scales are common because most people are familiar with them. FALSE Log scales seem to be harder for the average businessperson to interpret. AACSB: Analytic Blooms: Remember Diﬃculty: 2 Medium Learning Objective: 03-05 Make an eﬀective line chart using Excel. Topic: Line Charts 11. Sturges' Rule should override judgment about the "right" number of histogram bins. FALSE Sturges' Rule is only a starting point or guideline. AACSB: Analytic Blooms: Remember Diﬃculty: 2 Medium Learning Objective: 03-03 Make a histogram with appropriate bins. Topic: Frequency Distributions and Histograms 12. Sturges' Rule is merely a suggestion, not an ironclad requirement. TRUE Sturges' Rule is only a starting point or guideline. AACSB: Analytic Blooms: Understand Diﬃculty: 1 Easy Learning Objective: 03-03 Make a histogram with appropriate bins. Topic: Frequency Distributions and Histograms 13. Excel's 3D pie charts are usually clearer than 2D pie charts. FALSE Many people like 3D better, but it is harder to judge slice size. AACSB: Analytic Blooms: Remember Diﬃculty: 1 Easy Learning Objective: 03-06 Know the rules for eﬀective bar charts and pie charts. Topic: Pie Charts 14. A common error with pie charts is using too few "slices." FALSE The opposite is true (too many slices are often seen). AACSB: Analytic Blooms: Remember Diﬃculty: 2 Medium Learning Objective: 03-06 Know the rules for eﬀective bar charts and pie charts. Topic: Pie Charts

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