Answer:
divide the sum by the number of numbers
Step-by-step explanation:
The arithmetic mean of a group of numbers is the quotient of the sum of the numbers and the number of numbers in the group.
For two numbers, the mean is their sum divided by 2:
mean of A and B is (A+B)/2
For 5 numbers, the mean is their sum divided by 5:
mean of (A, B, C, D, E) is (A +B +C +D +E)/5
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The <em>arithmetic mean</em> is also called the <em>average</em>.
