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?
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