Hypothesis test: A health psychologist is interested in the effects of stress on the number of viral infections that pe

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Hypothesis test:
A health psychologist is interested in the effects of stress on the
number of viral infections that people contract. He wants to
know if people are more likely to get sick depending on the level
of stress in their lives. He monitors 24 people over the
course of a year who are experiencing different levels of stress
and measures the number of viral infections they contract during
the year. Following are his data and the results of a one-way
ANOVA. Assume alpha = .05.
No Stress
Some Stress
Severe Stress
1
1
5
3
5
3
0
4
8
2
5
4
4
0
5
3
4
5
2
4
4
4
5
6
Analyze this data to answer the following questions.