Mathematics
Mathishard
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Rylan is calculating the standard deviation of a data set that has 9 values. He determines that the sum of the squared deviations is 316. What is the standard deviation of the data set? Round the answer to the nearest tenth

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The formula for the sum of the squares of the deviations is SS = s² (N -1) We are given SS = 316 N = 9 Substituting 316 = s² (9 - 1) Solving for s s = 6.28 The standard deviation is 6.28

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