The Number of Observations Minus the Number of Estimated Coefficients

question 42

Multiple Choice

The number of observations minus the number of estimated coefficients in a regression equation is called:

• A)degrees of freedom.
• B)variance.
• C)standard error fo the regression.
• D)none of the above.

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Definitions:

Dependent Variable

In research, the variable being tested and measured, expected to change as a result of manipulations to the independent variable.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Manipulated

Being controlled or influenced in an unfair or deceitful way, often without awareness of the manipulation.

Research Question

A precise, clearly stated question that outlines the problem or area of interest to be investigated through research.