One can calculate the 95% confidence interval for the mean with the population standard deviation known....

Your task for this discussion is as follows:

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%.
Include an example with actual numerical values for the intervals in your post to help with your explanations.

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orchestra answered 1 year ago

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one can calculate the 95% confidence interval for the mean with the population standard deviation knowing...

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