Ex 14.4, 5 - Find mean salary of 60 workers of a factory - Ex 14.4

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Ex14.4, 5 Find the mean salary of 60 workers of a factory from the following table: Mean(๐‘ฅย ฬ…) = (โˆ‘โ–’๐‘“๐‘–๐‘ฅ๐‘– " " )/(โˆ‘โ–’๐‘“๐‘– " " )

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