Use the ANOVA table to answer: Source df SS MS F-Stat P-value Treatments 2 4178
ID: 3267269 • Letter: U
Question
Use the ANOVA table to answer:
Source
df
SS
MS
F-Stat
P-value
Treatments
2
4178
2089
__________________
<0.0001
Error
153
_________
77.97989
Total
____
16108.923
1.
Which means are different?
Cannot tell by the ANOVA table
All three means are different from each other
The first two means are similar and the third mean is greater
No means can be proved to be different
-----would the answer be a because a poct hoc be needed?
2.
What is the total number of observations in the study?
156
157
155
Impossible to tell
------would it be 156? (2+1 df + 153)
Source
df
SS
MS
F-Stat
P-value
Treatments
2
4178
2089
__________________
<0.0001
Error
153
_________
77.97989
Total
____
16108.923
Explanation / Answer
1) A small p-value (typically 0.05) indicates strong evidence against the null hypothesis, so you reject the null hypothesis.
This, means are different from one another.
2) Also, total observations = 153 + 2 + 1 = 156
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