Câu 65: LSSMBB: Lean Six Sigma Master Black Belt

While checking regression model assumptions, an engineer generates the following plot of residuals versus predicted Y. Which of the actions below is the most appropriate next step?

1. A. Transform the response and re-fit the model — đáp án hiện tại
2. B. Make additional runs, collect additional data and re-fit the model
3. C. No transformation is required for this type of pattern
4. D. Transform the independent variable and re-fit the model