Maria's phone bills were $95, $67, $43, and $115. What was the mean of her phone bills?
1 Answer
May 2, 2017
To find mean, add up all of the numbers and divide the result by the number of data points.
Explanation:
In this case,
And because there were 4 numbers, divide this by 4 to get the mean:
The mean (also commonly called average) of her phone bills is $80.
