AIR MATH

Math Question

Grace is looking at a report of her monthly cell-phone usage What is the standard deviation of the data? Round to the for the last year to determine if she needs to upgrade her plan. The list represents the approximate number of megabytes of data Grace used each month. nearest whole number.
\( 700,735,680,890,755,740,670,785,805,1050,820,750 \)
65
75
100
130

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