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.
Correct Answer: A
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.