Question: Answer the questions using complete sentences. a. What is an influentialpoint? How should influential points be treated when doing a regressionanalysis? b. What is the

Answer the questions using complete sentences.

a. What is an influentialpoint? How should influential points be treated when doing a regressionanalysis?

b. What is the coefficient of determination and what does itmeasure?

c. What isextrapolation? Should extrapolation ever beused?

a. Choose the correct answer below.

An influential point is an outlier whose presence or absence has a large effect on the regression analysis. If the data have one or more influentialpoints, perform the regression analysis without these points.

An influential point is a point that does not fit the trend. If the data have one or more influentialpoints, perform the regression analysis with and without these points and comment on the differences.

An influential point is a point that does not fit the trend. If the data have one or more influentialpoints, perform the regression analysis with these points.

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