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# Tall girls Refer to Exercise 10. (a) Make a graph of the population distribution. (b) ISBN: 9781464108730 488

## Solution for problem 12 Chapter 7.1

The Practice of Statistics | 5th Edition

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Problem 12

Tall girls Refer to Exercise 10. (a) Make a graph of the population distribution. (b) Sketch a possible dotplot of the distribution of sample data for the SRS of size 20 taken by the AP Statistics class.

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The Coefficient of Variation: C.V. = S / x(bar) X(bar)  Mean of data Examples: #1 X(bar)  54 ft S  26 ft C.V. = S / x(bar) = 26/54 = .48 or 48% #2 X(bar)  2 hours S  2.7 hours C.V. = 2.7 / 2 = 1.35 NOTICE: the units cancel when you divide the two numbers, therefore the answer does not have units!! Chebyster’s Theorem: For any set of numbers with mean x(bar) and standard...

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##### ISBN: 9781464108730

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