Answer:
14
Explanation:
The mean is an average. We can find the average by adding all the data and dividing by the number of data given.
5 + 9 + 15 + 18 + 22 = 69
There are 5 numbers given, so we'll divide by 5.
69 ÷ 5 = 13.8
The nearest whole number is 14, so the average is 14.