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Conceptual Problems

1.1     a (if the sample means are all equal, then MSbetw is 0).

1.3     c (lose 1 df from each group; 63 - 3 = 60).

1.5     d (equals the dfbetw + dfWith = dftotal; 60 + 2 = 62).

1.7     d (null hypothesis does not consider SS values).

1.9     a (for between source = 5 - 1 = 4 and for within source = 250 - 5 = 245).

1.11    c (an F ratio of 1.0 implies that between- and within-groups variations are the same).

1.13    True (mean square is a variance estimate).

1.15    True (F ratio must be greater than or equal to 0).

1.17    No (rejecting the null hypothesis in ANOVA only indicates that there is some difference among the means, not that all of the means are different).

1.19    c ...

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