- 算术平均数 suànshùpíngjūnshù arithmetic meanThe average of a set of numbers found by dividing their total sum by the count of the numbers.
- 几何平均数 jǐhépíngjūnshù geometric meanThe average of a set of n numbers defined as the nth root of their product
- 平方平均数 píngfāngpíngjūnshù root mean squareroot mean square (RMS); quadratic mean
- 调和平均数 tiáohépíngjūnshù harmonic meanThe average of a set of numbers calculated by dividing the number of values by the sum of their reciprocals.