analyze her data

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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What type of statistical test did the researcher use to analyze her data? How many effects were tested in this test? Explain
19. A researcher tested the effects of sleep deprivation and stress on mood. She
highlight
randomly assigned her subjects into two groups: the researcher disturbed the sleep of
the subjects in the sleep deprivation group, whereas subjects in the normal sleep group
were allowed to sleep normally. Each of these groups were further divided into three
stress level groups: low stress, medium stress and high stress. The results of the study
are summarized in the following table:
Source
SS
df
MS
F
Between
11616
5
Sleep
2420
2420
Stress
5324
2662
Sleep*Stress
3872
1936
Within
72600
150
484
Total
84216
155
Transcribed Image Text:19. A researcher tested the effects of sleep deprivation and stress on mood. She highlight randomly assigned her subjects into two groups: the researcher disturbed the sleep of the subjects in the sleep deprivation group, whereas subjects in the normal sleep group were allowed to sleep normally. Each of these groups were further divided into three stress level groups: low stress, medium stress and high stress. The results of the study are summarized in the following table: Source SS df MS F Between 11616 5 Sleep 2420 2420 Stress 5324 2662 Sleep*Stress 3872 1936 Within 72600 150 484 Total 84216 155
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