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what is formula of harmonic mean. It is one of the three most important central tendency types along with the arithmetic geometric mean. What is Harmonic Mean.
Arithmetic Mean Geometric Mean Harmonic Mean Root Mean Square Elearning Geometric Mean Root Mean Square Arithmetic Mean from in.pinterest.com
The Harmonic mean for normal mean is x n so if the formula is reversed it becomes n x and then all the values of the denominator that must be used should be reciprocal ie for the numerator it remains n but for the denominator the values or the observations for them we need to use to reciprocal values. Harmonic Mean n 1Xi One can see its the reciprocal of the normal mean. Harmonic mean The harmonic mean H of n numbers x 1 x 2 x 3 x n also called subcontrary mean is given by the formula below.
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Let xi i 1 2 n be n positive observations then the harmonic mean of X is denoted by HM. Thus the harmonic mean is the reciprocal. The harmonicmean command could also be applied to data with NA values ie. Weighted Harmonic Mean Formula.
