Single Outliers Can Have a Dramatic Effect on the Slope

question 42

True/False

Single outliers can have a dramatic effect on the slope obtained in a regression analysis.

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Definitions:

Coefficient Of Determination

The Coefficient of Determination, denoted as R², measures the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Dependent Variable

A variable in an experiment or model that is expected to change in response to changes in independent variable(s).

Independent Variable

A variable that is manipulated or categorized in an experiment or study to observe its effect on a dependent variable.

Estimated Regression Equation

A formula that models the relationship between dependent and independent variables, predicting the dependent variable's values.