Confidence Intervals & T-tests
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Using the attached Excel file, calculate both a confidence interval for a mean (do not worry about the rounding) and a 1-sample t-test that the mean age is less than 62.
What is found? What is the CI and can we reject or accept the null or alternative hypotheses?
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Solution Summary
The solution gives detailed steps on building the confidence interval and performing a one-sample t test for the given data using excel.
Solution Preview
For the confidence interval for a mean, we first calculate the mean and standard deviation. I do this in ...
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