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Mathematics, 21.11.2019 03:31 tefanyc13

In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of the same industry), the following data have been accumulated. company a company b sample size 80 60 sample mean $16.75 $16.25 population standard deviation $1.00 $.95 a point estimate for the difference between the two population means

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