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# The following table shows the weights of12 workers in a factoryFind the mean weight of the workers.

GIVEN:

FORMULA USED: Arithmetic mean =

Let Weight of workers be x

And number of workers be frequency f

∑f = 3 + 4 + 2 + 2 + 1

= 12

∑xf = 180 + 256 + 136 + 140 + 72

= 784

Arithmetic mean =

Arithmetic mean = = 65.33

CONCLUSION: Mean weight of given data is 65.33kg

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