Calculate Harmonic mean for the following series:
(1) 10,20,25,40,50
(ii)
| X: | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
| F: | 8 | 15 | 20 | 4 | 3 |
Calculate Harmonic mean for the following series: (1) 10,20,25,40,50 (ii) X: 0-10 10-20 20-30 30-40 40-50 F: 8 15 20 …
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