Question

A sample of college students was asked how much they spent monthly on cell phone plans....

A sample of college students was asked how much they spent monthly on cell phone plans.

Approximate the standard deviation for the cost.

Monthly

cell phone plancell phone plan

cost ($)

Number of students

10.00-19.99

8

20.00-29.99

12

30.00-39.99

30

40.00-49.99

12

50.00-59.99

8

The sample standard deviation for the cost is

$______.

(Round to the nearest cent as needed.)

Homework Answers

Answer #1

The sample standard deviation for the cost is 11.2932 $

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