LSSBB Grey Practice exam I Questions and Answers latest 2022

A run chart having 14 or more pints in a sequence alternating up and down is referred to as A. Shift B. Oscillations C. Cycle D. Same Value - ANSWER C. Cycle A car has to pass through 8 assembly lines, daily 200 c ...

A run chart having 14 or more pints in a sequence alternating up and down is referred to as A. Shift B. Oscillations C. Cycle D. Same Value - ANSWER C. Cycle A car has to pass through 8 assembly lines, daily 200 cars pass through the line and has 2 defects daily. Calculate DPO A. 0.000125 B. 0.125 C. 0.00125 D. 1.25 - ANSWER C. 0.00125 What is FMEA? A. Fast moving engineered automotive B. Foreign made electrical article C. Failure mode and effects analysis D. Florida municipal electric association - ANSWER C. Failure mode and effects analysis 2K-1 is the mathematical representation for a A. Fractional factorial B. Full fractional factorial C. Semi Factional factorial D. Tutorial factorial - ANSWER A. Fractional factorial Why should you use center points in your experimental design? A. to check for linearity B. to check for clarity C. to check for interactions D. to detect curvature - ANSWER D. to detect curvature A DOE is always needed to solve process issues A. True B. False - ANSWER B. False A DOE is only needed if information cannot be obtained from passive analysis of the process Poka Yoke is also known as A. Mistake proofing B. 5 S C. SMED D. Kanban - ANSWER A. Mistake proofing Box Cox is available under X in Minitab A. Basic statistics B. Non-parametric C. Control charts D. Multivariate - ANSWER C. Control charts Which of these are not a Measure of Dispersion A. Range B. Variance C. Median D. Standard Deviation - ANSWER C. Median Median is a measure of central tendency you want to check if the CSAT of a new joiners is greater than CSAT of a Tenured employees. In which case will you reject the Null hypothesis? A. P=0.06 B. P=0.007 C. P=0.058 D. P=0.18 - ANSWER B. P=0.007 Since p<0.05 we reject the null hypothesis The Central Limit Theorem (CLT) states that A. Averages of normal variables is asymptotically non-normal B. Averages of any variables is asymptotically normal C. Product of any variables is normal D. None of the above - ANSWER B. Averages of any variables is asymptotically normal CLT states that the Mean of Xbars is equal to population Mean and the standard deviation is equal to sigma/root(n) The statistics that summarize a population are referred to as A. categorical statistics B. Descriptive statistics C. probabilistic statistics D. control statistics - ANSWER B. Descriptive statistics Descriptive statistics help in summarizing the population by measures of central tendency and dispersion and also helps in representing them in graphical format Which is a PROPER Six Sigma Project A. The data to prove Y cannot be collected B. Solutions and root causes are already down C. The process is yet to be standardized D. The project is neither small nor broad and is validated by data to prove that the there is a problem - ANSWER D. The project is neither small nor broad and is validated by data to prove that the there is a problem six sigma is a data based approach for solving complex problems for which causes and solutions are not known The role of a hands-on champion is the Six Sigma program is: A. Selection of project B. Selection of Black Belts C. Executive of Improvement projects D. A & B - ANSWER D. A & B Champion provides the administrative support to six sigma projects and is responsible for selecting the projects, the team, and providing resources A production control plan is used for the full production of a part A. True B. False - ANSWER A. True A production control plan is used for the full production of a part. It contains all of the line items for a full control plan: part or product characteristics, process controls, test, measurement system, and reaction plans. Select two correct responses, Hypothesis testing can help us... A. make 100% risk free decisions B. Always 100% fair decisions C. Make fact-based decisions D. Separate special cause from noise - ANSWER C. Make fact-based decisions Hypothesis testing can help us in making fact based decisions and also help in ID'ing critical X Lack of skill would come under which of these in a Fishbone: A. Machine B. Material C. Man D. Methods - ANSWER C. Man Data points fluctuating up and down rapidly around the median indicates A. shift B. Oscillations C. Mixtures D. Same value - ANSWER B. Oscillations This is a system to control the logistical chain from production point of view and is not an inventory control system: A. Kanban B. Seiton C. 5S D. Six sigma - ANSWER A. Kanban Type-I error means A. Reject null hypothesis when it is true B. Accept alternative hypothesis when the null hypothesis is false C. Fail to reject null hypothesis when it is false D. Reject null hypothesis when it is false - ANSWER A. Reject null hypothesis when it is true Type 1 or Alpha error producers risk in the probability of finding any differences when actually there is no difference Which hypothesis test do we use to compare means by analyzing variance of more than two data set for a normal data A. Mann Whitney test B. Logistic regression C. ANOVA D. Correlation - ANSWER C. ANOVA The most inaccurate results can be obtained from X experiments A. Full factorial design B. Resolution III C. Resolution IV D. Resolution V - ANSWER B. Resolution III Resolution III experiments are factional factorial designs where the main effects are confounded with 2 way interactions and are the least accurate A data point that is extremely far from most of the data is A. Said to be skewed to the right or left B. said to be outlier C. Automatically excluded from consideration D. All of the above - ANSWER B. said to be outlier The evolution of six sigma was started by A. Toyota B. Motorola C. GE D. Wipro - ANSWER B. Motorola What are the elements of control plan A. Prototype B. Pre Launch C. Production D. All of the above - ANSWER D. All of the above Accuracy of Six sigma process is A. 0.99 B. 0.9999997 C. 0.999997 D. 0.9997 - ANSWER C. 0.999997 Six sigma process produces less than 3.4 DPMO Which of these are not a part of control process techniques A. Standardization B. Response C. Monitoring D. None of the above - ANSWER D. None of the above none of the above are part of a control process techniques Which hypothesis test do we use when Y=continuous and X=continuous A. Logistical regression B. Regression C. ANOVA D. HOV - ANSWER B. Regression Scatter Plot quantifies the strength of relationship in between variables A. True B. False - ANSWER B. False Scatter plots only tell about relationship between variables, quantification is done only by correlation coefficient Control Impact Matrix is used in conjunction with A . Cause and Effect B. Hypothesis test C. Pareto D. Data door analysis - ANSWER A . Cause and Effect Control Impact is used in conjunction with Cause and Effect Inference space is the area within which A. Projects can be closed B. Issues can be highlighted to management C. Conclusions can be drawn D. Group therapy is conducted - ANSWER C. Conclusions can be drawn It is basically the span or focus of a study This chart does not only plot the process but also plots the person responsible A. Process flowchart B. Deployment flowchart C. Alternate Path Flowchart D. SIPOC - ANSWER B. Deployment flowchart Deployment flowchart does not only plot the process but also plots the person responsible X is an analytical tool ensuring potential issues have been considered and adhered with product or process cycle development through appropriate action A. None of these B. Factional Factorial C. FMEA D. Taguchi - ANSWER C. FMEA The purpose of Blocking in the Design of Experiment is: A. To block the nuisance factors B. To reduce the influence of systematic bias in the experiment C. To reduce the influence of noise D. All of the above - ANSWER A. To block the nuisance factors to block the controllable noise factor Which is not true? A. CP>=Cpk B. CP0 D. Cpk=(1-k)Cp - ANSWER B. CP [Show More]