# Statistical Study Proposals: ANOVA

For the following questions, decide whether the statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain clearly. Not all of these statements have definitive answers, so your explanation is more important than your chosen answer.

A. In a test for equality of the mean ages of audience members at an animated movie, a comedy, and a thriller, the P-value is 0.009, so we reject equality of the three population means.

B. For a study of IQ scores of children, families with three children are randomly selected. One sample includes IQ scores of the first-born child, the second sample includes IQ scores of the second-born chills, and the third sample includes IQ scores of the third-born child. The method of analysis of variance can be used to test for equality of the three population means.

© SolutionLibrary Inc. solutionlibary.com 9836dcf9d7 https://solutionlibrary.com/statistics/correlation-and-regression-analysis/statistical-study-proposals-anova-7g36#### Solution Preview

... be rejected because 0.009 is less than the three significance levels 0.10, 0.05 and 0.01 that are commonly employed in ANOVA.

For a study of IQ scores of children, families with three children are randomly selected. One sample includes IQ scores of the first-born child, the second sample includes IQ scores ...