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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