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How do you help in picking up the good user stories for the team members?

One of the tasks of a Scrum Master is to assist the team in bringing up the backlog for a sprint that has already been prioritized and pulling items that have been placed at the top (sorted as per the priority). Once the team has...

If VIF value from a Regression model is 10.2, what should the Black Belt do next?

OPTIONS Separate the variables and conduct a Simple Linear Regression Drop the predictor that is causing the high VIF and then re-do Regression Live with the variable having high VIF and hope that it is a model adequacy issue Try doing a Curvilinear Regression ANSWER...

Which of the below mentioned values can be used in a Regression model to understand the Output Variables’ performance for a new set of observations in the input variable?

OPTIONS Mallows Cp Adjusted R2 R2 Predicted R2 ANSWER Predicted R2 EXPLANATION The other three are not serious considerations.

November 16, 2021 admin Certification Exams Questions, LSSBB/ Lean Six Sigma Black Belt No Comment

A Regression model is setup to understand the impact of factors A, B and C on the output Y. Post the model is tested, it is found that A and B correlate to each other. They are considered

OPTIONS Correlated Auto-correlated Collinear Confounded ANSWER Collinear EXPLANATION Collinear means correlated to each other unless they auto-correlate

November 16, 2021 admin Certification Exams Questions, LSSBB/ Lean Six Sigma Black Belt No Comment

A Box Plot is shown below. What should a Black Belt merely by looking at the Box Plot? Choose the most appropriate option.

OPTIONS The Upper Whisker is at 33.0 The Data could be skewed The data forms a normal distribution The Lower Whisker is at 30 ANSWER The Data could be skewed EXPLANATION Option a and d are visible from the Box Plot, but in terms of...

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If a Black Belt wishes to visually inspect the causes resulting in an end problem, which one of the tools should he use?

OPTIONS Brainstorming Affinity Diagram Cause and Effect Diagram Cause and Effect Matrix ANSWER Cause and Effect Diagram EXPLANATION The CE Diagram is the best possible tool here.

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For a conservatively large sample size and p >0.5, the Binomial Distribution approximates

OPTIONS Normal Distribution Poisson Distribution Hypergeometric Distribution Chi-Square Distribution ANSWER Normal Distribution EXPLANATION For large sample sizes, the Binomial distribution moves to the normal distribution.

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A process produces rubber tires on a continuous basis. Past process performance indicates 2% chance of the bottles having one or more flaws. If we draw a sample of 20 units from the lot, what is the probability we will have 0 defectives?

OPTIONS 0.66 0.62 0.6 0.5 ANSWER 0.66 EXPLANATION Applying standard binomial formula with p = 0.02 and x = 0.

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For a capability study conducted on normal data, the reported set of values are Cpk = 1.2 and Ppk = 1.4. What could be the Black Belt’s inference?

i. The process is in control ii. The process may not have been in control iii. The process may not have been normal OPTIONS i and ii ii and iii i, ii and iii Correct Option:B ii and iii EXPLANATION Such a condition can only...

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If Cp = 0.8. Cpk = 0.7, what should the Black Belt do first?

ANSWER Reduce variations Center the mean Bring the process in statistical control The choice of what to do rests with the Black Belt ANSWER Reduce variations EXPLANATION Cp value less than 1 automatically indicates that variations are high in the process

November 16, 2021 admin Certification Exams Questions, LSSBB/ Lean Six Sigma Black Belt No Comment

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Year: 2021

How do you help in picking up the good user stories for the team members?

If VIF value from a Regression model is 10.2, what should the Black Belt do next?

Which of the below mentioned values can be used in a Regression model to understand the Output Variables’ performance for a new set of observations in the input variable?

A Regression model is setup to understand the impact of factors A, B and C on the output Y. Post the model is tested, it is found that A and B correlate to each other. They are considered

A Box Plot is shown below. What should a Black Belt merely by looking at the Box Plot? Choose the most appropriate option.

If a Black Belt wishes to visually inspect the causes resulting in an end problem, which one of the tools should he use?

For a conservatively large sample size and p >0.5, the Binomial Distribution approximates

A process produces rubber tires on a continuous basis. Past process performance indicates 2% chance of the bottles having one or more flaws. If we draw a sample of 20 units from the lot, what is the probability we will have 0 defectives?

For a capability study conducted on normal data, the reported set of values are Cpk = 1.2 and Ppk = 1.4. What could be the Black Belt’s inference?

If Cp = 0.8. Cpk = 0.7, what should the Black Belt do first?

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