Mathematics, 26.10.2021 22:10 dctjr

We use the analysis of variance rather than the t ratio when more than two groups are involved because: a. it is less time-consuming to make the necessary calculations.
b. it decreases the likelihood of making a Type I error.
c. the more statistical tests conducted, the more likely sampling error may cause statistically significant findings.
d. all of these answers are correct.

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We use the analysis of variance rather than the t ratio when more than two groups are involved becau...