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Mathematics, 06.07.2021 16:00 keisha7795

For the data set 7, 5, 10, 11, 12, the mean, x, is 9. What is the standard deviation?

A. 2.9

B. 6.8

C. 2.6

D. 8.5

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For the data set 7, 5, 10, 11, 12, the mean, x, is 9. What is the standard deviation?

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