arithmetic mean


Definition of Arithmetic Mean

  • Arithmetic Mean of a set of numbers is the sum of the numbers divided by the number of items in the set.

More about Arithmetic Mean

  • Arithmetic mean is also called as average.
  • Arithmetic mean or average of a set of numbers is given by = .
Example of Arithmetic Mean
  • Arithmetic mean of three numbers 3, 6, and 7 can be calculated as: Arithmetic mean = =
    = = 5.33

Solved Example on Arithmetic Mean

The prices of cheese pizza in five different pizza delivery shops are $5, $4, $6, $8, and $7. Find the mean of the prices.
Choices:
A. $6
B. $4
C. $7
D. $5
Correct Answer: A
Solution:
Step 1: The mean is the average of the prices.
Step 2: Average =
Step 3: = [Substitute the values.]
Step 4: = [Add.]
Step 5: = 6 [Divide.]
Step 6: The mean price is $6.

Related Terms for Arithmetic Mean

  • Addition
  • Average
  • Divide
  • Sum
  • Mean