Question
A researcher is interested in estimating the average commute time of people in a city. Assume that the commute time follows a normal distribution with
A researcher is interested in estimating the average commute time of people in a city. Assume that the commute time follows a normal distribution with a standard deviation of 9.4 minutes. The researcher takes a sample of 10 people and obtains the average commute time of 26.3 minutes. Estimate a 99% confidence interval for the population mean. What is the error term?
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Sample Size Determination In Clinical Trials With Multiple Endpoints
Authors: Takashi Sozu, Tomoyuki Sugimoto, Toshimitsu Hamasaki, Scott R Evans
1st Edition
3319220055, 9783319220055
