Lean Six Sigma Green Belt (LSSGB) — Question 11

If a process has Outliers which pair of charts is most preferable if subgroups will exist for the Continuous Data?

Answer options

• A. Individualג€"Moving Range
• B. Xbar-R Charts
• C. Xbar-S Charts
• D. nP and P Charts

Correct answer: B

Explanation

The correct answer is B, Xbar-R Charts, as they are specifically designed to monitor the mean and range of continuous data over time, effectively handling subgroups and outliers. Options A, C, and D are less suitable because they either do not focus on the range or are intended for different types of data or control charts.