Math Problem Statement
What is the definition of "Treatment Variation" (SST) in the context of ANOVA?
Multiple choice question.
The sum of the squared differences between each observation and the overall mean.
The sum of the squared differences between each observation and its treatment mean.
The sum of the squared differences between each treatment mean and the overall mean.
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Analysis of Variance (ANOVA)
Treatment Variation
Formulas
SST = Σn_i(μ_i - μ)^2, where SST is the Sum of Squares for Treatments, n_i is the number of observations in group i, μ_i is the mean of group i, and μ is the overall mean.
Theorems
The Partitioning of Variance Theorem in ANOVA
Suitable Grade Level
Undergraduate Statistics
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