A Sum of Squares That Measures the Total Amount of Variability

question 54

Multiple Choice

A sum of squares that measures the total amount of variability in the observed values of the response variable is referred to as the:

• 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.

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Definitions:

True Value

The actual value of a parameter or variable that is typically estimated based on sample data.

Coefficient of Determination

This indicates the proportion of the variation in the dependent variable that can be explained by the independent variable(s) in a regression model, quantifying the predictive power of the model.

Units

Basic quantities or measurements used to express and compare physical quantities.

Sample Size

Refers to the number of observations or data points collected in a study or used in statistical analysis.