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The frequency distribution below shows the monthly expenditure on gasoline for a sample of 14 ...

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The frequency distribution below shows the monthly expenditure on gasoline for a sample of 14 ...

The frequency distribution below shows the monthly expenditure on gasoline for a sample of 14 individuals.

Expenditure	Frequency
55 - 59	2
60 - 64	3
65 - 69	4
70 - 74	3
75 - 79	2

a.	Compute the mean.
b.	Compute the standard deviation.

Textbook

Essentials of Statistics for Business and Economics

Edition: 7^th

Authors: Anderson, Sweeney, Williams, Camm, Cochran

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