Math, asked by singhdipu5849, 2 months ago

please solve is ex :-

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Answered by kinzal

3

Weight(x) (kg) Number of workers(f) fx

60 4 240

63 3 189

66 2 132

69 2 138

72 1 72

Total 12 771

Then arithmetic mean = Σfx / Σf

= 771 / 12

= 64.25 Kg

I hope it helps you

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