You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures:

66.9

65.8

62.2

97.1

65.7

55.7

79.9

72.6

51.8

Find the 95% confidence interval. Enter your answer as anopen-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.