You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 17.3 59 31.7 -2 53.8 24.5 21.4 Find the 95% 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). 95% C.I. = Answer should be obtained without any preliminary rounding.