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Chapter 2. Displaying Data - Pg. 27

CHAPTER 2 Displaying Data Chapter Outline 2.1 Bar Charts 27 Bowlers' Hot Hands 30 Bar Charts with Interval Data 32 2.2 Histograms 34 Letting the Data Speak 38 Understanding the Data 39 2.3 Time Series Graphs 43 45 Unemployment during the Great Depression Cigarette Consumption 46 2.4 Scatterplots 47 Okun's Law 48 The Fed's Stock Valuation Model 48 Using Categorical Data in Scatter Diagrams 50 2.5 Graphs: Good, Bad, and Ugly 51 Omitting the Origin 51 Changing the Units in Mid-Graph 53 Choosing the Time Period 55 The Dangers of Incautious Extrapolation 57