the 95% confidence interval for the mean with the population standard deviation known, Statistics Discussion Post help
Answer should be informal, and around 2-3 paragraphs with 2 in-text citations from internet sources. See below for question. (I check for plagiarism)
One can calculate the 95% confidence interval for the mean with the population standard deviation known. This will give us an upper and a lower confidence limit. What happens if we decide to calculate the 99% confidence interval? Describe how the increase in the confidence level has changed the width of the confidence interval. Do the same for the confidence interval set at 80%. Please include an example with actual numerical values for the intervals in your post.
