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The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of

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The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 18, 23, 15, 20. 17, 21, 18, 13, 15 The range is 11 (Simplify your answer.) The mean is 17 2 (Simplify your answer. Round to the nearest tenth as needed.) The variance is 14.56 (Simplify your answer. Round to the nearest tenth as needed.)

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