Observe the figures below, which show graphical representations of the compariso

Question

Observe the figures below, which show graphical representations of the comparisons made in ANOVA. For each of three experiments (X, Y and Z), three groups are compared (A, B and C).The baseline of each curve represents scores on the dependent variable, just like the curves on p. 233-5. The null hypothesis should be retained for an ANOVA on Experiment _______X Y Z. X and Z The denominator of the F ratio would be smallest for an ANOVA on Experiment ______ X Y. Z X and Z In ANOVA calculations, which of the following can have a negative value? SS_total MS_error the calculated F none of the descriptive alternatives are correct.

Explanation / Answer

4) a

5) c

the denominator of f ratio is mean squares within which would be small for experiment Z

6) b

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