Câu 74: LSSMBB: Lean Six Sigma Master Black Belt

While checking regression model assumptions, an engineer generates the following normal probability plot of residuals. 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. Investigate run order for a time pattern
3. C. Add runs, collect additional data and re-fit the model
4. D. Remove the highest order term from the model