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.
A
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