Mean: Average of the numbers in a set of data.
To find the mean of these numbers, we need to add up all the numbers and divide the sum by how many numbers there area.
First, let's add the digits.
79 + 91 + 93 + 85 + 86 + 88 = 522
522 ÷ 6 = 87
Therefore, the average of the set of data is 87.
