Two independent random samples of annual starting salaries for individuals with masters and bachelors degrees in business were taken and the results are shown below.
MastersDegree
BachelorsDegree
Sample Size33
30
Sample Mean (in $1000)58
54
Sample Standard Deviation (in $1000)2.4
2
?
a.What are the degrees of freedom for the t distribution?b.Provide a 95% confidence interval estimate for the difference between the population mean salaries of the two groups.
What will be an ideal response?
?
| a. | 60 |
| b. | 2.89 to 5.11 (in thousands of dollars) |
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What will be an ideal response?
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