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Suppose that five of the eight students running for class officers (president, vice president, secretary, and treasurer) have grade-point averages (GPAs) above 3.0. If the officers are selected at random, what is the probability that all four officers will be students with GPAs above 3.0?
Simple ANOVA
A statistical method used to compare the means of three or more samples to determine if they come from the same population.
Factorial ANOVA
A statistical test used to evaluate whether there are any significant differences between the means of three or more groups for two or more factors simultaneously.
Main Effects
The immediate effect that an independent variable has on a dependent variable within an experimental setup.
Factorial ANOVA
A statistical analysis used to examine the effects of two or more categorical independent variables on one continuous dependent variable.
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