A Quick Explanation on Why 95% Confidence Intervals Get Smaller (For Non-Epidemiologists)

I’ve been tutoring some students in online MPH programs for a few weeks. We started talking about 95% confidence intervals. All you need to know when reading a confidence interval is that it is used for telling you (the reader) where we (the researcher) are 95% confident that the true measure is located. Here, let […]

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