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

97.5 | 99.1 | 99.8 | 97.9 | 98.1 | 97.6 | 97.2 |

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 3 decimal places. Assume the data is from a normally distributed population.

90% C.I. =

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

97.5 | 99.1 | 99.8 | 97.9 | 98.1 | 97.6 | 97.2 |

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 3 decimal places. Assume the data is from a normally distributed population.

90% C.I. =

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