The correct formula for calculating the sum of squares for within-groups variability is: A) $ \Sigma$(X - GM)². B) $ \Sigma$(M_row_or_column - GM)². C) $ \Sigma$(X - M_cell)². D) $ \Sigma$(M_cell - X)².

Question

Quizplus · Accepted Answer

The correct formula for calculating the sum of squares for within-groups variability is based on the differences between each observation and its group mean. This is represented in choice C as (X - M_cell)^2. Choices A, B, and D do not accurately represent this calculation.

The Correct Formula for Calculating the Sum of Squares for Within-Groups