Six Sigma Six Sigma Certifications LSSMBB Questions & Answers

• Question 21:

  Appropriate measures means that measurements are ______________.

  A. Representative

  B. Sufficient

  C. Contextual

  D. Relevant

  E. All of these answers are correct

  Correct Answer: E

• Question 22:

  What aspects of Measurement Systems Analysis (MSA) studies are applicable when the process used to measure does not damage the part?

  A. Destructive variable gage RandR and Crossed Study

  B. Destructive variable gage RandR and Nested Study

  C. Nondestructive variable gage RandR and Crossed Study

  D. Nondestructive variable gage RandR and Nested Study

  Correct Answer: D

• Question 23:

  An operator is measuring the distance between two points. Which is most likely to be influenced by the operator?

  A. Precision of the measurement

  B. Accuracy of the measurement

  C. Calibration of the instrument

  D. All of these answers are correct

  Correct Answer: D

• Question 24:

  Accuracy can be assessed in several ways and a fairly accurate means of measurement is visual comparison.

  A. True

  B. False

  Correct Answer: B

• Question 25:

  The class score distribution of schools in a metropolitan area is shown here along with an analysis output. Comment on the statistical significance between the Means of the two distributions. Select the most appropriate statement.

  

  A. The two class Means are statistically different from each other

  B. The two class Means statistically not different from each other

  C. Inadequate information on class Means to make any statistical conclusions

  D. A visual comparison shows that class Means are not statistically different

  Correct Answer: A

• Question 26:

  A statistical test or Hypothesis Test is performed to reject or fail to reject a stated hypothesis and it converts the Practical Problem into a Statistical Problem.

  A. True

  B. False

  Correct Answer: A

• Question 27:

  From this list select the best example of Bias in Sampling.

  A. Testing the completeness of cooking a cake but the testers cannot agree on how to measure internal temperature

  B. Testing the sharpness of a razor blade while the sample of 500 are from the same model razor

  C. Testing the weight of participants at a wrestling event and only measuring those who finished second or better

  D. Testing a hand-held GPS models for durability using samples only from Nokia Model P120

  Correct Answer: C

• Question 28:

  The Central Limit Theorem says that as the sample size becomes large the sample Mean distribution will form a Normal Distribution, ____________________.

  A. If the Measurement System is properly calibrated

  B. When the data is collected accurately

  C. If the shape is evenly spread

  D. No matter what the shape of the population distribution of individuals

  Correct Answer: D

• Question 29:

  For a Normal Distribution as samples size increases the Range in Mean and Standard Deviation decrease relative to the Mean and Standard Deviation of the population.

  A. True

  B. False

  Correct Answer: A

• Question 30:

  When the Inputs, X's, for your process are Normally Distributed about the Mean, the Outputs, Y's, will be Normally Distributed.

  A. True

  B. False

  Correct Answer: B