Month: December 2021

OPTIONS Checks how well the data can be predicted Checks the accuracy of residuals Checks the fit of residuals Checks the presence of auto-correlation between residuals ANSWER Checks the presence of auto-correlation between residuals EXPLANATION Durbin Watson statistic checks for auto correlation.

i) Central Tendency ii) Shape iii) Location iv) Variability OPTIONS i) and ii) ii) and iii) i) and iii) i) and iv) ANSWER i and iii EXPLANATION At all times, the Box Plot will be able to indicate Central Tendency, i.e. median and the variability,...

OPTIONS Coded Dummy Response KPI ANSWER Response EXPLANATION Response is the technical and operational term for an output variable.

OPTIONS Mallows Cp Durbin Watson Statistic Lack of Fit Statistic PRESS Statistic ANSWER Mallows Cp EXPLANATION Mallows Cp is the term used for this purpose.

OPTIONS Clustering Probability Stratified Systematic ANSWER Stratified EXPLANATION As you can see the Box Plot clearly shows the entire data has been separately collected for each groups, clearly indicating stratification, so STRATIFIED is correct.

OPTIONS If the cause happens due to another cause If the cause happens regularly If the cause is measurable If the cause is the root cause ANSWER If the cause is measurable EXPLANATION Six Sigma being a statistical approach, the Black Belt should at all...

OPTIONS Pareto Charts Brainstorming 5 WHY Correlation ANSWER 5 WHY EXPLANATION 5 WHY is a simple and powerful Root cause Analysis technique.

OPTIONS Cause that happens periodically Cause that comes from outside of the process Cause that can be assigned a reason None of the above ANSWER Cause that can be assigned a reason. EXPLANATION Special causes can be tracked back to a reason and thus THE...

A company producing marker pens conducts external audits once production of a lot is completed. Several audits on 50 pens revealed 3 minor non-conformances. What is the probability that the next audit will reveal 0 non-conformances? OPTIONS 0.05 0.07 0.1 0.12 ANSWER 0.05 EXPLANATION Using...

OPTIONS Conclude process is stable Conclude process could be stable, but investigation needs to be done on trends Conclude process is out of control None of the above ANSWER Conclude process could be stable, but investigation needs to be done on trends EXPLANATION As you...