12/19/2014 Chapter 4: Regression Models

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Chapter 4: RegressionModels

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Self­StudyQuizzes

MultipleChoice

Multiple Choice

This activity contains 10 questions.

The best regression line isthe one that:

  is furthest from the set ofsample data points.has an S­shape.

maximizes the sum of thesquared errors.minimizes the sum of thesquared errors.minimizes the coefficientof determination r².

Which of the followingmeasures the totalvariability in Y explainedby the regression model?

  SSR

SST

SSE

Coefficient of correlation

None of the above

In the context ofregression models, errorsare also called:

  Mistakes.

remainder.

epsilon.

residuals.

12/19/2014 Chapter 4: Regression Models

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