20 20 28 16 11 17 23 16 22 18 10 22 29 19 32
A) Compute a 95% confidence interval estimate for the population mean number of miles that residents of Detroit travel per day in a car.
B) What assumption must you make in order to calculate the confidence interval in part A?
C) Suppose it is desired to estimate the population mean number of miles with a margin of error of ± 2 miles at 95% confidence. Do the data provide this desired level of precision? What action, if any, would you recommend be taken?
Recently Asked Questions
- please answer 3 short research questions help me to do a research.
- The traditional way for company to go international is to have centralized headquarters in the home country with hierarchical and often bureaucratic decision
- Suggest two factors that are contributing to the current state of the nursing industry in the U.S. Focus on both internal and external influences. Provide