98. We want to know if any of the TV shows are funnier than the others. Write the null
hypothesis in words and symbols. What is the alternative hypothesis (in words and
symbols)? Make sure that you can test the null using a oneway ANOVA.
•
Words:
o
H
N
: all three shows have an equal amount of funniness
o
H
O
: at least one of the shows is funnier than the others
•
Symbols:
o
H
N
: μ
1
=μ
2
=μ
3
o
H
O
: μ
1
≠μ
2
≠μ
3
99. How do you run a oneway ANOVA in SPSS?
1.
Analyze
à
Compare Means
à
One Way ANOVA
2.
Put the DV in the Dependent List
3.
Put the IV in the Factor Box
4.
Under “Options…” select “Descriptives” and “Homogeneity of variance test”
5.
Click OK
100. Conceptually, what is SPSS doing when you run this test? Be sure to discuss within
and between variance.
•
SPSS is running a statistical analysis that compares 2 or more means and then
makes inferences about means by analyzing variance
101. Run the analysis that would test your hypothesis. Paste in the output.
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 Spring '09
 Dr.Hall
 Statistics, Null hypothesis, Statistical hypothesis testing

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