Which of the following statements is true regarding the residuals in linear regression between the original data and the fitted line?

Question

Which of the following statements is  true  regarding the  residuals  in linear regression between the original data and the fitted line?

Answer

It is the vertical distance between the datapoint and the model

Answer

It is the distance between the datapoint and the model that is perpendicular to the fitted line’s gradient

Answer

It is the averaged distance between the datapoint and the model

Answer

It is the horizontal distance between the datapoint and the model

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