A medical statistician wants to estimate the average weight loss of people who are on a new
Question:
A medical statistician wants to estimate the average weight loss of people who are on a new diet plan. In a preliminary study, he guesses that the standard deviation of the population of weight losses is about 10 pounds. How large a sample should he take to estimate the mean weight loss to within 2 pounds, with 90% confidence?
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Sample size can be calculated through following formula Where n sample ...View the full answer
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Muhammad Umair
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Related Book For 
Statistics For Management And Economics Abbreviated
ISBN: 9781285869643
10th Edition
Authors: Gerald Keller
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