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Stat WorkbookWeek4Part2

Stat WorkbookWeek4Part2 - 2 Write out in clear language...

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Week 4 Part 2 Chapter 10 Graphs replace thousands of Words 1. To remind yourself of the two types of variables, give an example of a a) Categorical variable a) Quantitative variable 2. Define the distribution of a variable. 3 What are the two most common ways to graph a categorical variable? 4 Name three concepts which contribute to “good” line graphs?(See Text p.205) Chapter 11 How many intervals make a sensible Histogram? 1. Why is a histogram a sensible graph for a quantitative variable?

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Unformatted text preview: 2. Write out in clear language exactly what a histogram is. 3. What is a "rule of thumb" for deciding how many intervals to use in a Histogram? 4. What does Excel call the "class interval" 5. What is an “outlier”? (see text p.221) 6. What concepts describe the overall pattern of the distribution of a quantitative variable? 7. Sketch a histogram that is skewed to the right 8. Sketch a histogram that is skewed to the left...
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