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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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devildoc devildoc
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A year ago

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

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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JehanzaibJehanzaib
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A year ago
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