A sum of squares that measures the total amount of variability in the observed values of the response variable is referred to as:
A)Treatment sum of squares
B)Error sum of squares
C)Sum of squares within-treatment
D)Total sum of squares
E)Interaction sum of squares

Question

Quizplus · Accepted Answer

The total sum of squares measures the total variability in the data, including the variability due to treatment effects and randomness. It is calculated as the sum of the squared deviations of each observation from the mean of all observations. Therefore, it is the correct answer.

A Sum of Squares That Measures the Total Amount of Variability