Question

The body temperatures in degrees Fahrenheit of a sample of 9 adults in one small town...

The body temperatures in degrees Fahrenheit of a sample of 9 adults in one small town are:

97.9
97.6
96.3
98.3
98.7
98
96.7
98.6
97.3



Assume body temperatures of adults are normally distributed. Based on this data, find the 90% confidence interval of the mean body temperature of adults in the town. Enter your answer as an open-interval (i.e., parentheses) accurate to twp decimal places (because the sample data are reported accurate to one decimal place).

90% C.I. =

Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.

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