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 loss is about 11 pounds. How large a sample should he take to estimate the mean weight loss to within 2 pounds, with 95% confidence? Sample Size =
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 loss is about 11 pounds. How large a sample should he take to estimate the mean weight loss to within 2 pounds, with 95% confidence? Sample Size =
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 5CR
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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 loss is about 11 pounds. How large a sample should he take to estimate the mean weight loss to within 2 pounds, with 95% confidence?
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