Which of the Following Statements About One-Way Analysis of Variance

question 10

Multiple Choice

Which of the following statements about one-way analysis of variance is/are TRUE?

• A)When the null hypothesis that the means are all the same is rejected using the ANOVA,we can then conclude that all the means are different from one another.
• B)Once the data obtained from an experiment have been analyzed using the ANOVA,we can then develop questions suggested from the analysis about some of the means that can be tested using contrasts.
• C)Multiple-comparison procedures can be useful for determining which pairs of population means differ significantly.
• D)The square of the two-sample t statistic for comparing the means of two populations is always equal to the ANOVA F statistic.
• E)The only crucial assumption that must be made for the one-way analysis of variance is that the data follow the F distribution.

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