# harmonic mean

harmonic mean

**MLA Style**

"harmonic mean." YourDictionary, n.d. Web. 15 October 2018. <http://www.yourdictionary.com/harmonic-mean>.

**APA Style**

harmonic mean. (n.d.). Retrieved October 15th, 2018, from http://www.yourdictionary.com/harmonic-mean

## harmonic mean

noun

**MLA Style**

"harmonic mean." YourDictionary, n.d. Web. 15 October 2018. <http://www.yourdictionary.com/harmonic-mean>.

**APA Style**

harmonic mean. (n.d.). Retrieved October 15th, 2018, from http://www.yourdictionary.com/harmonic-mean

(*plural* harmonic means)

- (mathematics) A type of measure of central tendency calculated as the reciprocal of the mean of the reciprocals, ie,
- If
*a*_{n}and*b*_{n}denote the perimeters of inscribed and circumscribed regular*n*-gons, respectively, along some circle then the harmonic mean and geometric mean of those two perimeters yield the perimeters of the inscribed and circumscribed regular 2*n*-gons, respectively, along that same circle. (This is Archimedes' Recurrence Formula.)

- If

**MLA Style**

"harmonic mean." YourDictionary, n.d. Web. 15 October 2018. <http://www.yourdictionary.com/harmonic-mean>.

**APA Style**

harmonic mean. (n.d.). Retrieved October 15th, 2018, from http://www.yourdictionary.com/harmonic-mean