You must estimate the mean temperature (in degrees Fahrenheit)
with the following sample temperatures:
79.5
102.8
80.8
76.8
80.4
79.2
86
67.7
Find the 98% 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). * Answer should be obtained without any preliminary rounding.
98% C.I. =
