Questions: 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 set.
12,18,23,13,19,17,19,16,15,19
The range is 11.
(Simplify your answer.)
The mean is 17.1.
(Simplify your answer. Round to the nearest tenth as needed.)
The variance is
(Simplify your answer. Round to the nearest tenth as needed.)
Transcript text: 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 sar set.
\[
12,18,23,13,19,17,19,16,15,19
\]
The range is 11 .
(Simplify your answer.)
The mean is 17.1.
(Simplify your answer. Round to the nearest tenth as needed.)
The variance is $\square$
(Simplify your answer. Round to the nearest tenth as needed.)
Solution
Solution Steps
Step 1: Calculate the Range
The range of a dataset is calculated as the difference between the maximum and minimum values. For the given ages: