MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Students in QSO 510 are assigned to observe the effect of various types of music on relaxation mood in patients who are in the early and middle stages of Alzheimer's disease at a certain Nursing Home facility. 

A number of patients were selected to participate in the study based on their stages of Alzheimer's disease. Three forms of music were tested: R&B, Blues, and Reggae. While listening to music, relaxation levels were recorded for the patients with a high score indicating a higher level of relaxation. Scores are recorded below.

Group

Reggae

Blues

R&B

Early Stage Alzheimer's

21
24
22
18
20

9
12
10
5
9

29
26
30
24
26

Middle Stage Alzheimer's

22
20
25
18
20

14
18
11
9
13

15
18
20
13
19

 

Use Excel’s ToolPak to compute Two-Way ANOVA and submit your statistical output.

  1. Are there any significant main effects or an interaction effect?
  2. Interpret your answer.
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