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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

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, 16, 23, 15, 18, 16, 20, 16, 13, 19

The range is;-

The mean is ;-

The variance is;-

The standard deviaion is;-