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 1 error.
C)the more statistical tests conducted, the more likely sampling error may cause statistically Significant findings.
D)all of the above

Question

Quizplus · Accepted Answer

Analysis of variance (ANOVA) is preferred over multiple t-tests when comparing more than two groups because it is more efficient, reduces the risk of Type I errors, and accounts for the increased likelihood of finding significant differences due to chance when conducting multiple comparisons.

We Use the Analysis of Variance Rather Than the T