Category: LSSBB/ Lean Six Sigma Black Belt

OPTIONS To compare the mean square treatment with the mean square error To estimate the process average To find the variation within each subgroup To find the variation between different subgroups ANSWER To compare the mean square treatment with the mean square error EXPLANATION In...

OPTIONS Somebody miscalculated the original calculations of the control limits The process standard deviation has decreased during last month and hence the last 50 data points are showing values much closer to the center line, But, nobody thought to recompute the control limits to reflect...

OPTIONS Leveling by volume Leveling by product Demand leveling Customer leveling ANSWER Leveling by product EXPLANATION Leveling by product typically includes the use of heijunka boxes. A heijunka box is a tool for scheduling in which the tasks to be completed and the estimated times...

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...