The annual part time earnings of a sample of college students are given below must show work Earnings ($1000s) Frequency 10 14 2 15 19 3 20 24 5 25 29 7 30 34 2 35 39 1 a Compute the mean b Compute the variance c Compute the standard deviation d Compute the coefficient of variation

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The annual part-time earnings of a sample of college students are given below. must show work Earnings ($1000s) Frequency 10- 14 2 15- 19 3

The annual part-time earnings of a sample of college students are given below. must show work

	Earnings ($1000s)	Frequency
	10- 14	2
	15- 19	3
	20- 24	5
	25- 29	7
	30- 34	2
	35- 39	1

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

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