Harmonic mean

From Simple English Wikipedia, the free encyclopedia

Harmonic means are a type of mean. It is the number of values divided by the reciprocal of the values.[1] If there are numbers , then the harmonic mean of these numbers are

Out of the geometric mean and arithmetic mean, the harmonic mean is usually the smallest.[2]

Example[change | change source]

Let's find the harmonic mean of 2,4 and 5. There are three numbers so we will be dividing three. The reciprocals of the numbers are , and . If we add the reciprocals we get . If we divide three by this number, the result is (approximately 3.157894737)

References[change | change source]

  1. "mean | Definition, Formula, & Facts | Britannica". www.britannica.com. Retrieved 2022-08-26.
  2. Weisstein, Eric W. "Pythagorean Means". mathworld.wolfram.com. Retrieved 2022-08-26.