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Brian is calculating the standard deviation of a data set that has nine values. He determines the sum of the squared deviations of 316

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  1. 8 May, 02:58
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    SS is s² (N-1)

    From the data above SS represents 316, while N represents 9

    you plug that in next to the formula written

    316 = s² (9-1)

    after substituting and solving for s your answer should get you 6.28 as the standard deviation
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