Unformatted text preview: margin of error, and the CI. It is super duper quick to do! Optional: If may want to check your Statdisk answer like we did last week and calculate this manually. You'll need the phat, which is the number who gained weight divided by the total n. From that you can find the qhat. Now input those numbers into the E formula and find your margin of error. Once you have your margin of error you are ready to construct the confidence interval. To do that you'll add the margin of error to the phat and subtract the margin of error from the phat. People sometimes like to actually write those calculations out so they can "see" each of their steps. Reporting the Confidence Interval : 95% Confidence Interval: _____ < p < _____ Written out another way: ____% < p < ______%...
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 Fall '11
 MrBurns
 Statistics, Normal Distribution

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