If an Xbar – R chart for a MS Analysis shows in Control, what should a Black Belt deduce importantly?

OPTIONS

• Measurement system is stable
• Measurement system is linear
• Measurement system has adequate discrimination
• Measurement system is repeatable

ANSWER

Measurement system has adequate discrimination

EXPLANATION

A chart showing in Control means the measurement system is stable. This is fair to say, but very specific to a Measurement System this also shows the MS has adequate Discrimination or Resolution.