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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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  1. A clinical trial is run to assess the effects of different forms of regular exercise on HDL levels in persons between the ages of 19 and 29. Participants in the study are randomly assigned to one of three exercise groups—weight training, aerobic exercise, or stretching/yoga—and instructed to follow the program for 8 weeks.  Their HDL levels are measured after 9 weeks and are summarized below.

 

Exercise Group

N

Mean

Std Dev

Weight Training

20

49.7

10.2

Aerobic Exercise

20

43.1

11.1

Stretching/Yoga

20

57.0

12.5

 

  1. Complete the following ANOVA table.

 

 

 

 

 

 

 

Source of

Error

Sums of Squares

df

Mean Squares

F

Between

 

 

 

 

 

Within

6157.32

 

 

 

Total

 

 

 

 

 

                     

1.Write the hypotheses to be tested.

 

2. Write the decision rule. Please find the F for the closest df

 

3. What is the conclusion?

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