Average (or arithmetic mean or simply mean) is the sum of the numbers divided by total numbers.
Example 1. What is the average of the numbers: 3, 8, 0, 2, 2, 0, 10 and 7?
Here, total number of observations are: n = 8. Hence,
Average of Percentages
The average of percentages is calculated in the same manner. The formula is,
Example 2. What is the average of 7%, 10% and 4%?
Here, total number of observations are 3, i.e. n=3