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?© BrainMass Inc. brainmass.com March 5, 2021, 1:37 am ad1c9bdddf
For the confidence interval for a mean, we first calculate the mean and standard deviation. I do this in ...
The solution gives detailed steps on building the confidence interval and performing a one-sample t test for the given data using excel.