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A sample of charge accounts at a local drug store revealed the following frequency distribution of ...

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A sample of charge accounts at a local drug store revealed the following frequency distribution of ...

A sample of charge accounts at a local drug store revealed the following frequency distribution of unpaid balances.

Unpaid Balance	Frequency
10 - 29	1
30 - 49	6
50 - 69	9
70 - 89	11
90 - 109	13

a.	Determine the mean unpaid balance.
b.	Determine the variance.
c.	Determine the standard deviation.
d.	Compute the coefficient of variation.

Textbook

Essentials of Statistics for Business and Economics

Edition: 7^th

Authors: Anderson, Sweeney, Williams, Camm, Cochran

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devildoc Author

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Correct

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This site is awesome

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Good timing, thanks!

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