1. In 2-way ANOVA, each independent variable investigated could have two or more

Question

1. In 2-way ANOVA, each independent variable investigated could have two or more different treatments or ______________.

2. A Two-Way ANOVA Summary Table is shown below.

The critical value for the F test using lpha = 0.05, d.f.N. = 2, and d.f.D = 27 is 3.35. Then,

a. only the null hypothesis concerning Factor A should be rejected.

b. only the null hypothesis concerning Factor B should be rejected.

c. only the null hypothesis concerning Factor A and the Interaction (AxB) effect should be rejected.

d. all of the null hypotheses should be accepted.

Source SS d.f. MS F Factor A 9.42 2 4.71 2.77 Factor B 15.10 2 7.55 4.44 Interaction A x B 10.34 4 2.58 1.52 Within (error) 45.90 27 1.7 Total 80.75 35

Explanation / Answer

1. or conditions.

2.

Only null hypothesis concernng factor Bshould be rejected becuase its statistics value is greater than critical value. Option b is correct.

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