The high temperatures (in degrees Fahrenheit) of a random sample of 10 small towns are: 97.6 98.8 98.7 99.2 96.4 96.5 97.2 98.1 97.9 96.3 4 Assume high temperatures are normally distributed. Based on this data, find the 80% confidence interval of the mean high temperature of towns. Enter your answer as an open-interval (1.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). 80% 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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The high temperatures (in degrees Fahrenheit) of a random sample of 10 small towns are:
97.6
98.8
98.7
99.2
96.4
96.5
97.2
98.1
97.9
96.3
4
Assume high temperatures are normally distributed. Based on this data, find the 80% confidence interval of
the mean high temperature of towns. Enter your answer as an open-interval (1.e., parentheses) accurate
to two decimal places (because the sample data are reported accurate to one decimal place).
80% C.I. =
Answer should be obtained without any preliminary rounding. However, the critical value may be rounded
to 3 decimal places.
Transcribed Image Text:US tor 39 The high temperatures (in degrees Fahrenheit) of a random sample of 10 small towns are: 97.6 98.8 98.7 99.2 96.4 96.5 97.2 98.1 97.9 96.3 4 Assume high temperatures are normally distributed. Based on this data, find the 80% confidence interval of the mean high temperature of towns. Enter your answer as an open-interval (1.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). 80% 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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