Discrimination value is 3 in a typical GAGE study under normal conditions. What should the Black Belt infer?

OPTIONS

• Discrimination is not adequate
• Gage needs replacement
• Operators need to be trained
• Discrimination is adequate

ANSWER

Discrimination is not adequate

EXPLANATION

NDC < 5 means the measurement system in the gage study is unable to differentiate between different measurements accurately, thus the discrimination is not adequate.