Evaluate the effectiveness of four teaching

Assignment Help Basic Statistics

Reference no: EM131852779

1. "A good way to begin the computation of a two-way ANOVA is to find for each cell the number of raw scores, the sum of them, and the sum of their squares." Would you agree with this statement? Explain.

2. An experimenter wishes to evaluate the effectiveness of four teaching methods among three kinds of students. The study is conducted as a two-way ANOVA, and each combination of method and type of student is represented by five subjects.

(a) What df characterizes each of the SSs that will be calculated?

(b) If the tests are conducted at the 5% level of significance, what is the critical value of F for testing difference among methods? For testing difference among types of students? For testing interaction?

Reference no: EM131852779

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