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Method 1
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method2
|
method3
|
|
7
|
9
|
12
|
|
4
|
4
|
8
|
|
5
|
7
|
8
|
|
8
|
8
|
10
|
|
9
|
9
|
12
|
|
7
|
6
|
4
|
|
|
6
|
10
|
|
4
|
9
|
5
|
|
5
|
7
|
10
|
|
8
|
9
|
11
|
A researcher intended to study the effects of math teaching methods on math achievements of four grade students in N city, VA. Thus he arbitrarily chose 30 fourth grade students from the N city, VA to represent 4 grade students in the N city, VA. Then he arbitrarily assigned them to 3 different math teaching methods groups. After 1 semester, he measured them on their math achievement. The results are given in the above data set. You are needed to do the follows.
Please carry out a one way ANOVA with SPSS and create ANOVA table.
i) Set up null hypothesis for associated F test
ii) If α is the set at 0.01, find your conclusion for research question under study? Support your conclusion with results of the f test.