Question

You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 6.2 26.5...

You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures:

6.2
26.5
14.7
13.8
6.3
16.1
10.1
13.9
-0.5
22.9



Find the 98% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place).

98% C.I. =

Homework Answers

Answer #1

The data provided is:

Data
6.2
26.5
14.7
13.8
6.3
16.1
10.1
13.9
-0.5
22.9
Count 10
Mean 13
St. Dev 8

We need to construct the 98% confidence interval for the population mean μ. The following information is provided:

The critical value for α=0.02 and df=n−1=9 degrees of freedom is .The corresponding confidence interval is computed as shown below:

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