Do male and female servers at Swank Bar work the same number of hours? A sample of 45 female servers worked an average of 34 hours per week, with a standard deviation of 5. A sample of 45 male servers worked an average of 26 hours per week, with a standard deviation of 4. Let μ1 and μ2 represent the typical number of hours worked by all female and male servers at Swank Bar, respectively. Estimate with a 91% confidence level how many more hours female servers work. Round answers to the nearest hundredth. _____< μ1−μ2<____ Which of the following does your data suggest? Female servers work more hours Female and male servers work about the same number of hours Male servers work more hours

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Do male and female servers at Swank Bar work the same number of hours? A sample of 45 female servers worked an average of 34 hours per week, with a standard deviation of 5. A sample of 45 male servers worked an average of 26 hours per week, with a standard deviation of 4.


Let μ1 and μ2 represent the typical number of hours worked by all female and male servers at Swank Bar, respectively. Estimate with a 91% confidence level how many more hours female servers work. Round answers to the nearest hundredth.
_____< μ1−μ2<____

Which of the following does your data suggest?

  • Female servers work more hours
  • Female and male servers work about the same number of hours
  • Male servers work more hours
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