Arithmetic Mean -

To find the arithmetic mean, you sum all individual observations in a set and divide that total by the count of those observations. (x-bar) represents the sample mean. ∑xisum of x sub i is the sum of all values. is the number of observations. Example: For the set Key Properties

The , commonly known as the average , is a measure of central tendency that provides a single value representing the center of a data set. It is the most widely used average in fields like economics, science, and everyday life. Calculation & Formula arithmetic mean