What is the confidence interval for the population mean for the mean time workers spend getting to work?
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The Greater Pittsburgh Area Chamber of Commerce wants to estimate the mean time workers who are employed in the downtown area spend getting to work. A sample of 15 workers revealed the following number of minutes traveled.
29, 38, 38, 33, 38, 21, 45, 34, 40, 37, 37, 42, 30, 29, 35
Develop a 98 percent confidence interval for the population mean. Interpret the result.
Please explain how you calculate.
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This solution provides step-by-step methodology for the construction of population mean in an attached Word document. Formula and calculations are formatted. A PDF copy is included as well.
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Mean - confidence interval
6. The Greater Pittsburgh Area Chamber of Commerce wants to estimate the mean time workers who are employed in the downtown area spend getting to work. A sample of 15 workers reveals the following number of minutes traveled.
29 38 38 33 38 21 45 34
40 37 37 42 30 29 ...
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