Find the mean, the deviations from the mean, and the SD for the following batch of numbers.

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Find the mean, the deviations from the mean, and the SD for the following batch of numbers.

If you are using https://www.calculator.net/standard-deviation-calculator.html (or a similar site or the SD calculator on a device), for the last step (SD) click “Population” rather than

“Sample”:

6, 8, 9, 10, 12

a) Mean

b) Deviations from the mean (there are 5 of these)

c) SD Vary this question for practice: Make the list longer or shorter; and try different values in your list.

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