Chapter 3 Practice Problems

Chapter 3 Practice Problems - 80 0 124 a Compute the sample...

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Chapter 3: Practice Problem Q. The average American spends $65.88 per month dining out ( The Des Moines Register ). A sample of young adults in West Lafayette provided the following dining out expenditures (in dollars) over the past month.
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Unformatted text preview: 80 112 69 95 0 124 a. Compute the sample mean. b. Compute the sample variance. (use the second formula) c. Compute the sample coefficient of variation....
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