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find the mean salary of 120 workers of q factory from the following table:--
salary. no of workers
750. 32
1000. 24
1250. 20
1500 16
1750. 12
2000. 8
2250. 6
250. 2
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let x= salary of workers of Q factory
the mean salary = sum of (xi)÷n
= 10752.64÷8
= 1344.08
where n = no of workers
the mean salary = sum of (xi)÷n
= 10752.64÷8
= 1344.08
where n = no of workers
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