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A sample of college students was asked how much they spent monthly on pizza. Approximate the...

A sample of college students was asked how much they spent monthly on pizza. Approximate the standard deviation for the cost. Monthly pizza cost​ $ (Number of students)

​10.00-19.99 (9)

20.00-29.99 (13)​

30.00-39.99 (28)

​40.00-49.99 (12)

​50.00-59.99 (5)

The sample standard deviation for the cost is ​$ ____ ​(Round to the nearest cent as​ needed.)

Math   Statistics-And-Probability   
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TOPIC:Sample standard deviation from grouped frequency distribution.

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