CBSE BOARD XII, asked by sreejadeb, 3 months ago

how to calculate harmonic mean for un grouped frequency distribution please help me . i just want to know how to calculate the division part. please explain the division part briefly and serially. 20√0.984 wala part I want to know . ​

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Answered by anandhiudhayakumar9
3

Answer:

Harmonic mean is used to calculate the average of a set of numbers. The number of elements will be averaged and divided by the sum of the reciprocals of the elements.

It is calculated by dividing the number of observations by the sum of reciprocal of the observation.

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