STATISTICAL TECHNIQUES AND TOOLS
ANALYSIS OF VARIANCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The between group variance and the within group variance are often referred to as ____
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ANOVA
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mean squares
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main effects
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interaction effects
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Explanation:
Detailed explanation-1: -The Mean Sum of Squares between the groups, denoted MSB, is calculated by dividing the Sum of Squares between the groups by the between group degrees of freedom. That is, MSB = SS(Between)/(m−1).
Detailed explanation-2: -Also called between-subjects variance.
Detailed explanation-3: -Between group variance refers to differences across levels of the independent variable. In other words between group variance is the variability of all individual means around the grand (overall) mean.
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