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QUESTION 9 Calculate the margin of error for an 80% confidence interval for the mean, when the sample size is 20, the sample mean
QUESTION 9 Calculate the margin of error for an 80% confidence interval for the mean, when the sample size is 20, the sample mean is 55, and the sample standard deviation is 6.5. Round your answer to 3 decimals if needed.
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Essentials Of Statistics For Business And Economics
Authors: David Anderson, Thomas Williams, Dennis Sweeney, Jeffrey Cam
7th Edition
1305081595, 978-1305081598
