Lean Six Sigma Green Belt Certification Measurement System Analysis and Gage R&R

Question 1

What does MSA stand for in the context of Lean Six Sigma?

Accepted Answer

Measurement System Analysis

Answer

Mean Statistical Assessment

Answer

Measurement Sampling Approach

Answer

Method of Statistical Analysis

Question 2

Which two components of variation does a Gage R&R study measure?

Accepted Answer

Repeatability and Reproducibility

Answer

Accuracy and Precision

Answer

Reliability and Robustness

Answer

Resolution and Range

Question 3

Repeatability in a Gage R&R study is defined as the variation observed when:

Accepted Answer

The same operator measures the same part multiple times with the same gage

Answer

Different operators measure the same part

Answer

Different parts are measured by the same operator

Answer

Environmental conditions change during measurement

Question 4

What is the primary purpose of conducting a Gage R&R study in the Measure phase?

Accepted Answer

To determine whether the measurement system can detect real process variation

Answer

To calibrate measuring instruments to a national standard

Answer

To train operators on correct measurement techniques

Answer

To compare the performance of different measurement instruments

Question 5

What %Gage R&R value is generally considered acceptable according to AIAG guidelines?

Accepted Answer

Less than 10%

Answer

Less than 30%

Answer

Less than 50%

Answer

Less than 70%

Question 6

Which metric in Gage R&R indicates how many distinct groups a measurement system can reliably differentiate?

Accepted Answer

Number of Distinct Categories (NDC)

Answer

Gage bias

Answer

Stability index

Answer

Linearity coefficient

Question 7

Bias in a measurement system is best defined as:

Accepted Answer

The difference between the observed average measurement and the known reference (true) value

Answer

Inconsistency in measurements between different operators

Answer

Variation in measurements taken at different points across the measurement range

Answer

The smallest detectable difference the gage can resolve