Which of the following choices describes the major difference in purpose between the ANOVA and the one-sample t test, binomial, two-sample independent t test, Mann–Whitney, paired-samples t test, and Wilcoxon?
a. The ANOVA is a nonparametric statistic and makes inferences based on this fact.
b. ANOVA looks for statistically significant differences between three or more groups.
c. ANOVA compares the interquartile ranges for three or more groups.
d. All tests listed above, except ANOVA, make judgments about populations.
Ans: B
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