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Do male and female servers at Swank Bar work the same number of hours? A sample...

Do male and female servers at Swank Bar work the same number of hours? A sample of 45 female servers worked an average of 28 hours per week, with a standard deviation of 2. A sample of 45 male servers worked an average of 26 hours per week, with a standard deviation of 3.


Let μ1and μ2 represent the typical number of hours worked by all female and male servers at Swank Bar, respectively. Estimate with a 86% 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 and male servers work about the same number of hours
  • Female servers work more hours
  • Male servers work more hours
Math   Statistics-And-Probability   
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