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Assume that a sample is used to estimate a population mean . Find the 95% confidence interval for a sample of size 26 with a mean of 72.2 and a standard deviation of 11.5. Enter your answer as a tri-linear inequality accurate to one decimal place (because the sample statistics are reported accurate to one decimal place). 4 Answer should be obtained without any preliminary rounding. Question Help: Message instructor

You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 49 39.8 90 90.6 86.6 115.1 77.3 75.5 104 95.9 37.9 Find the 99% confidence interval. Enter your answer as an open-interval (1.e. parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place) 99%. Answer should be obtained without any preliminary rounding, Question Help: Message instructor