ANOVA Review Sheet Answers
1.
H
0
: μ
A
=μ
B
=μ
C
=μ
D
H
1
: at least one population mean is different from
another.
Reject H
0
and conclude that at least one population mean is
different from another.
2.
MST = 17 (Between Groups)
MSE = .5227 (Within Groups)
F = 32.52
3. Critical F for 5 and 44 df = 2.45
4. Reject the null hypothesis; at least one population mean is different from
another.
5. 6
6. 50
7. df Subjects (Blocks) = 9
df Group (drug dose) = 3 (this is the treatment)
df Error = 27
df total = 39
MST = 62 (mean square for treatment, which is drug dose)
MSB = 88.89 (mean square for blocks or subjects)
MSE = 14.8148
F blocks = 6
F drug dose = 4.185
8. Critical F for 3 and 27 df = 2.96 for drug dose
9. There is a significant difference among drug doses in the population.
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 Spring '08
 MULLINS
 drug dose

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