ANOVA testing is used for ...*1 pointTest for one meanTest for two meansTest for three or more meansTest for independence between two variables
Question
ANOVA testing is used for ...
- Test for one mean
- Test for two means
- Test for three or more means
- Test for independence between two variables
Solution
ANOVA, which stands for Analysis of Variance, is a statistical method used to test for differences in means among three or more groups. It helps determine if at least one of the group means is significantly different from the others, which can indicate that the independent variable has an effect on the dependent variable across multiple groups.
In contrast to t-tests, which are used to compare the means between two groups, ANOVA is more suitable when comparing three or more groups to avoid an increase in Type I error rates that can occur when conducting multiple t-tests. Therefore, the correct option for when ANOVA testing is used is:
Final Answer
Test for three or more means
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