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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Question

How many hours of sleep do people get by listening to music? I record 10 subjects’ hours of sleep after they listen to 4 types of music: White noise, Rock, Pop, and Classical. For each music condition, they provide an average amount of hours of sleep they got for 1 week. Using the following data, test whether there is a significant difference in hours of sleep between types of music at an alpha of 0.01. 



Subject

White noise

Rock

Pop

Classical

1

5

5

7.5

9

2

9.5

6.5

7

9

3

7.5

6

7

10

4

8

6

7

8

5

8.5

5

6

8

6

6

5.5

7

10

7

7

6.5

9

9

8

8

5

5

9.5

9

8

6

7

8

10

8

7

7.5

7

 

  1. Complete the ANOVA summary table: 



Source of Variation

Sums of Squares

df

MS (Variance)

F

Between-groups

        

Within-groups (error)

        

Total

        

 

  1. What do we conclude?

 

  1. Using a bonferroni correction, run a post-hoc test on the type of music and comment on any significant differences present (if any); also, include the post-hoc test result table from Jamovi.





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