When Comparing More Than Two Treatment Means,should You Use an Analysis

question 70

Multiple Choice

When comparing more than two treatment means,should you use an analysis of variance rather than using several t tests,and if so,why?​

• A)​Yes. Using several t tests increases the risk of a Type I error.
• B)​Yes. Using several t tests increases the risk of a Type II error.
• C)​Yes. The analysis of variance is more likely to detect a treatment effect.
• D)​No. There is no advantage to using an analysis of variance rather than several t tests.

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