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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 (5) ​20.00-29.99 (19) ​30.00-39.99 (21) ​40.00-49.99 (19) ​50.00-59.99

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