# arithmetic mean

## Definitions

### General Science

- noun a number calculated by adding together several figures and dividing by the number of figures added.

### Accounting

### Health Economics

- (written asA measure of the central tendency of a set of numbers. The average of a set of numbers. The sum of the observations divided by their number. Arithmetic mean = ∑
*Arithmetic Mean*)*X*, where the_{i}/N*X*are the values of_{i}*X*and*N*is the total number of observations. The qualifier 'arithmetic' is usually dropped. - abbreviationmean