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StatisticsQ&A LibraryRegarding multiple linear regression analysis:a. What sum of squares is made as small as possible when finding the best-fitting plane based on the method of least squares?b. What do we call the best-fitting plane that is obtained by the method of least squares?c. What do we call the act of using a multiple linear regression equation to make predictions for values of the predictor variables that are outside the region of the observed values of the predictor variables?Question

Asked Jan 25, 2020

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Regarding multiple linear regression analysis:

a. What sum of squares is made as small as possible when finding the best-fitting plane based on the method of least squares?

b. What do we call the best-fitting plane that is obtained by the method of least squares?

c. What do we call the act of using a multiple linear regression equation to make predictions for values of the predictor variables that are outside the region of the observed values of the predictor variables?

Step 1

a)

*Method of least squares*:

Step 2

*Error sum of square:...*

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