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.