In a test of weight loss programs, 40 adults used the Atkins weight loss program. After 12 months, their mean weight loss was found to be 2.1 lb., with a standard deviation of 4.8 lb. a. Construct a 95% confidence interval estimate of the mean weight loss for all subjects. Does the Atkins program appear to be effective? b.If a sample of 100 adults, construct a 95% confidence interval estimate of the mean weight loss for all subjects. Does the Atkins program appear to be effective? c. Based on the results on a) and b), explain the effect of sample size on the confidence interval estimate and its practical implication.

In a test of weight loss programs, 40 adults used the Atkins weight loss program. After 12 months, their mean weight loss was found to be 2.1 lb., with a standard deviation of 4.8 lb. a. Construct a 95% confidence interval estimate of the mean weight loss for all subjects. Does the Atkins program appear to be effective? b.If a sample of 100 adults, construct a 95% confidence interval estimate of the mean weight loss for all subjects. Does the Atkins program appear to be effective? c. Based on the results on a) and b), explain the effect of sample size on the confidence interval estimate and its practical implication.

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Description: In a test of weight loss programs, 40 adults used the Atkins weight loss program. After 12 months, their mean weight loss was found to be 2.1 lb., with a standard deviation of 4.8 lb.a. Construct a 95% confidence interval estimate of the mean weight

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 8SGR

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