Suppose that we collect data on "hours of sleep last night" from 64 students who are present at an 11:00 A.M. statistics class. The sample mean is 6.8 hours, the standard deviation of the data is 1.6 hours, and the standard error of the mean is 0.2 hour. What population, if any, is represented by this sample? Assuming that there is a population represented by this sample, explain why we cannot use the formula
p‾ ± z* √((p‾(1-p‾))/n)
to compute a 95% confidence interval for the population mean. What general formula in this chapter could be used to calculate the interval? Calculate the confidence interval.