You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 45.6 -8.8 27.5 30.2 24.2 26.9 Find the 80% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). 80% CL = Answer should be obtained without any preliminary rounding