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

The ages (in years) of a random sample shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12 17 23 13 18 18 21 18 15 15

The range is

(Simplify your answer.)Part 2The mean is

(Simplify your answer. Round to the nearest tenth as needed.)Part 3The variance is

(Simplify your answer. Round to the nearest tenth as needed.)Part 4The standard deviation is

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