Answered: You are interested in testing if there…

Name: You are interested in testing if there is a difference in weight-loss
Uploaded: 2024-03-20T07:06:27.000Z
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Description: You are interested in testing if there is a difference in weight-loss between 3 popular diet types; low calorie, low fat and low carb. Participants are randomly assigned one of the three groups or a control group. The control group will be told that

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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You are interested in testing if there is a difference in weight-loss between 3 popular diet types; low calorie, low fat and low carb. Participants are randomly assigned one of the three groups or a control group. The control group will be told that are participating in a weight-loss study, but will not be following any particular diet. This is to study the placebo effect, weight-loss from just participating in the study.
At the start of the study,each participant's weight is recorded in pounds. After 8 weeks they are weighed again, and the weight difference is recorded. A positive value represents a weight loss while a negative value represents a weight gain. Test at 5% significance.

Low Calorie	Low Fat	Low Carb	Control
5.3	2.2	3	0.1
4	3	3.1	3
4.3	1.8	2.5	-1.3
5.7	0.7	3.5	2.3
8.3	3.1	2.4	-0.6

Test Statistic:
P-Value:

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