Math, asked by saroja2, 1 year ago

the harmonic mean for the number 2,3,5is

Answers

Answered by Greesh11
11
No. Of observations = 3
Observations = 2,3,5
Harmonic mean = 3/{1/2 + 1/3 + 1/5}
= 3/{(15 + 10 + 6)/30}
= 3/{31/30}
= 3×(30/31)
= 90/31
= 2.90
Hope this helps u Ms. Saroja.....
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