5. A health spa claims that a new exercise program will reduce a person 's waist size atleast 2 centimeters on average over a 5-day period. The waist sizes, in centimeters, ofsix men who participated in this exercise program are recorded before and after the5-day period in the following table:Man | Waist Size Before90.495.598.7115.9104.085.6Waist Size After91.793.997.43.4.5n6.112.8101.384.0By computing a 96%confidence interval for the mean reduction in waist size, determinewhether the health spa's claim is valid. Assume the distribution of differences in waistsizes before and after the program to be approximately normal.

Confidence interval is a simpler and shorter way of testing the null hypothesis.

Answered: 5. A health spa claims that a new…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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5. A health spa claims that a new exercise program will reduce a person 's waist size at least 2 centimeters on average over a 5-day period. The waist sizes, in centimeters, of six men who participated in this exercise program are recorded before and after the 5-day period in the following table: