### noun

**(1) **The mean of n numbers expressed as the reciprocal of the arithmetic mean of the reciprocals of the numbers

### Noun

- A type of measure of central tendency calculated as the reciprocal of the mean of the reciprocals, ie, $H\; =\; \{\; n\; \backslash over\; \{1\; \backslash over\; x\_1\}\; +\; \{1\; \backslash over\; x\_2\}\; +\; \backslash cdots\; \{1\; \backslash over\; x\_n\}\; \}$

#### See also