An Overall Measure of the Difference Between the Least Squares

question 30

Multiple Choice

An overall measure of the difference between the least squares point estimates calculated using observation i,and the least squares point estimates calculated without using observation i is called the ____________ measure.

• A)Durbin-Watson
• B)Cook's distance
• C)R²
• D)C

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Definitions:

Confounds

Variables that could potentially contaminate or influence the outcome of an experiment, making it hard to interpret the effects of the primary variables of interest.

Factorial Design

An experimental strategy in which factors are varied together to examine their interaction effects on a response variable.

Independent Variables

Variables that are manipulated or changed in an experiment to test their effects on dependent variables.

Dependent Variable

The variable in an experiment that is observed and measured for changes, which are thought to be influenced by the manipulation of the independent variable.