WEEK 10-ONE WAY ANOVA AND PAIRWISE MULTIPLE COMPARISON PROCEDURES
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8 Terms
How to define One Way ANOVA?
one-way ANOVA is a test on MEANS, not variance. one-way ANOVA is a STATISTICAL INFERENCE METHOD originating from the TWO SAMPLE pooled-variance t procedure, but GENERALIZED TO MORE THAN TWO GROUPS
What kind of test statistic is used in one-way ANOVA? What are the variations of code appropriate for this calculation in R?
Which tools are used to calculate differences in means for one-way ANOVA? What are the associated formulas?
Pairwise confidence intervals and hypothesis tests.
How are questions of interest turned into ANOVA statistical tests? When is appropriate?
What are the appropriate tests to carry out for one-way ANOVA statistical inference? Discuss hypotheses, test statistics, p values, and appropriate conclusions.
In what ways are one-way ANOVA and the pooled-variance t test related?
In what ways are pairwise multiple comparison procedures conducted? Name each one, and describe how to interpret the results.
What are the assumptions of pairwise, multiple comparison inference procedures, and what are the associated consequences when an assumption is violated?