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, 20, 23, 13, 18, 17, 22, 17, 15, 16 The range is The mean is ( Simplify your answer. Round to the nearest tenth as​ needed.) The variance is (Simplify your answer. Round to the nearest hundredth as​ needed.) The standard deviation is (Simplify your answer. Round to the nearest tenth as​ needed.) Can you please explain me this math problem having trouble understanding. Thank you.

Question

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, 20, 23, 13, 18, 17, 22, 17, 15, 16

The range is

The mean is

( Simplify your answer. Round to the nearest tenth as needed.)

The variance is

(Simplify your answer. Round to the nearest hundredth as needed.)

The standard deviation is

(Simplify your answer. Round to the nearest tenth as needed.)

Can you please explain me this math problem having trouble understanding. Thank you.

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