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if a confidence interval is given from 8.50 to 10.25 and the mean is known to...

if a confidence interval is given from 8.50 to 10.25 and the mean is known to be 9.375 what is the margin of error

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Answer #1

Margin of error is given by=9.375-8.5=0.875, which is also equal to 10.25-9.375. Basically , for a both side equal confidence interval, maargin of error is given by Upper Confidence Limit- Mean or Mean-Lower Confidence Limit

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