You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 54 60.1 57.1 51.4 38.2 48.1 54.1 63.3 57.9 62.9 54 Find the 90% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to 3 decimal places. Assume the data is from a normally distributed population. 90% C.I. =

Q: answers were wrong.

A: X Frequency 0 2 1 6 2 8 3 36 4 50 5 68 6 55 7 36 8 19 9 10 10 4

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A: