A researcher must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 79.5 71.1 62.2 99.7 60 81.8 73.8 83.5 63 Assuming the population of temperatures are normally distributed, find the 90% confidence interval. Round the answers to two decimal places. Enter your answer as an interval of the form (LB,UP). The researcher is 90% confident that the population average temperature is within the temperature interval
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