Place all of the sums of squares values in the summary table and proceed with the remaining calculations -- Means Squares and F ratios.
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Summary
Table
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|
Source
|
SS
|
df
|
MS
|
F
|
| Main Effect A -- Difficulty of Test |
2.660
|
1
|
2.660
|
0.560
|
| Main Effect B -- Time of Testing |
1.083
|
2
|
0.542
|
0.114
|
| Interaction AxB -- Difficulty x Time |
190.090
|
2
|
95.045
|
20.009
|
| Within Groups -- Error |
85.500
|
18
|
4.75
|
|
| Total |
279.333
|
23
|
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Next, we need to complete our hypothesis test.
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