he ages (in years) of a random sample of shoppers
Question
he 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
12, 20
20, 23
23, 14
14, 16
16, 16
16, 22
22, 18
18, 14
14, 19
19
The range is
11
11.
(Simplify your answer.)
The mean is
17.4.
(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 ???
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