Stats Ch3

# Stats Ch3 - Chapter 3 6 Line Chart Figure 3-13 Only used...

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Chapter 3 1 Chapter 3 Describing Data Visually

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Chapter 3 2 Visual Summary Tools Dot Plots Histograms Line Charts or Run Plots Bar Graphs or Column Charts Pareto Charts Scatter Plots
Chapter 3 3 What are we looking for? We look for Central Tendency Dispersion What the spread of the data is. Shape

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Chapter 3 4 Dot Plot Figure 3.2 Use numerical data that is discrete
Chapter 3 5 Histogram Figure 3-1 Creates bins for each interval. 1 Company in the bin 5-10 employees, 7 companies in the bin 10-15 employees. Also gives an idea of the distribution of the data. Unimodal- one peak= 15-20

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Unformatted text preview: Chapter 3 6 Line Chart Figure 3-13 Only used for time series data! Source: Statistical Abstract of the U.S., 2002, p. 707. Chapter 3 7 Bar or Column Chart Figure 3-18 Source: www.mtdealer.com. Categorical data Chapter 3 8 Pareto Chart Figure 3-21 Typically used to find out defects in service or performance. It’s order is based on what is the highest column Chapter 3 9 Scatter Plot Figure 3-24 Graphing the difference between 2 numerical variables...
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• Fall '07
• LIANG,FANG
• Bar chart, Statistical charts and diagrams, Quality control tools, Pareto Charts Scatter, Dot Plots Histograms

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Stats Ch3 - Chapter 3 6 Line Chart Figure 3-13 Only used...

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