Tag: Lean Six Sigma Black Belt

OPTIONS P chart Autocorrelation chart U chart X-bar chart ANSWER U chart EXPLANATION A U chart is appropriate when sample size is variable and each sample may contain more than one instance of the targeted condition. These are control charts most appropriate for handling attributes...

OPTIONS To identify the most influential steps in a process To monitor improvements in cycle time To identify the critical path of a process To reduce cycle time ANSWER To identify the critical path of a process EXPLANATION The purpose of program evaluation and review...

OPTIONS Setup time Changeover time Cycle time EPEI ANSWER EPEI EXPLANATION Every Part Every Interval (EPEI) is the method for determining the batch size.

OPTIONS DPMO/PPM DPU Cp Cpk ANSWER DPMO/PPM EXPLANATION With Discrete Data, DPMO/PPM are the best possible metrics showing capability.

OPTIONS Process Stability Normality No skew in data None of the above Correct Option:A Process Stability EXPLANATION Process stability is the most important task to be done before any calculations are done in Measure.

OPTIONS DFMEA PFMEAC E Matrix SIPOC ANSWER SIPOC EXPLANATION SIPOC is the best possible scoping tool for the project.

OPTIONS Leave the GAGE. It is acceptable. Calibrate the equipment Calibrate the equipment and check operator variation Calibrate the equipment, check operator variation, and identify Part Variation. ANSWER Calibrate the equipment, check operator variation, and identify Part Variation. EXPLANATION Presence of Part Variation in the...

OPTIONS Checking Normality Checking Precision Checking Repeatability Checking Resolution ANSWER Checking Resolution EXPLANATION Checking Resolution is the first activity in a Measure Stage.

OPTIONS Cpk > Cp Cpk = Cp Cpk < Cp None of the above Correct Option:C Cpk < Cp EXPLANATION If Cpk < Cp, mean is not centered. If Cpk = Cp, mean is centered and process is accurate.

OPTIONS min (Cpl, Cpu) max (Cpl, Cpu) avg (Cpl, Cpu) stddev (Cpl, Cpu) ANWER min (Cpl, Cpu) EXPLANATION The Process Capability Index Cpk is the minimum of both Cpl and Cpu.