Harmonic mean in mathematical terms is defined as follows. Let x_1 x_2 cdots x_n be n observations on a variable X. Harmonic mean is the quotient of the number of the given values and thesum of the reciprocals of the given values.
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Let x_i i12 cdots n be n positive observations then the harmonic mean of X is denoted by HM. If the number of values are odd median is the middle value If the number of values are even median is the mean of middle two values. So the mean of the data would be 89612192 542 27. How To Find the Mean of Ungrouped Data.