Mathematics, 04.04.2020 03:02 aesmithswhs
In order to estimate the statistical difference between the average hourly wages of employees of two branches of a department store, two independent random samples were selected and the following statistics were calculated.
Downtown Store North Mall Store
Sample size 25 20
Sample mean $9 $8
Sample standard deviation $2 $1
1) The alternative hypothesis is .
2) The null hypothesis in this case .
Answers: 2
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