Arithmetic Mean
Related Words
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 =
Video Examples: Arithmetic Mean
Examples 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
Ques: 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. $6B. $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.
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