Six Sigma CLSSBB Online Practice Questions and Exam Preparation

Six Sigma CLSSBB Online Questions & Answers

• Question 171:

  A store uses signs at specific points in its storage area to indicate when products need to be ordered. This practice is an example of

  A. kanban
  B. poka-yoke
  C. checkpoints
  D. hoshin
  A. kanban

• Question 172:

  Using this partial Z Table, how many units from a month's production run are expected to not satisfy customer requirements for the following process? Upper specification limit: 8.4 Lower specification limit: 4.7 Mean of the process: 6.2 Standard Deviation: 2.2 Monthly production: 360 units

  A. 8
  B. 13
  C. 28
  D. 57
  D. 57

• Question 173:

  Questions that can be best answered by a Visual Factory include all of these except _____________________.

  A. Are downtime issues easily noted?
  B. Can extra inventory be seen easily?
  C. Are unneeded tools or supplies easily noted?
  D. Are setups optimized for lower scrap levels?
  D. Are setups optimized for lower scrap levels?

• Question 174:

  Use the reliability formula from the previous problem to find the reliability at MTBF.

  A. 0.94
  B. 0.78
  C. 0.37
  D. 0.26 E. none of the above
  C. 0.37

• Question 175:

  An indication of the experimental error is available because the design has:

  A. multiple replications
  B. multiple levels
  C. multiple factors
  A. multiple replications

• Question 176:

  The null hypothesis should be:

  A. rejected
  B. not rejected
  C. accepted
  A. rejected

• Question 177:

  A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a mean of approximately:

  A. 42
  B. 42/6
  C. 42/15
  D. 42/ 15
  E. none of the above
  A. 42

• Question 178:

  If special causes are assigned in the process variations, then the UCL and LCL would be recomputed without removing those outliers. (True/False)

  A. True
  B. False
  B. False

• Question 179:

  Which statement(s) are incorrect for the Regression Analysis shown here? (Note: There are 2 correct answers).

  

  A. The air-fuel ratio explains most of the TurbineOutput variation
  B. The Regression explains over 98% of the process variation
  C. This Multiple Linear Regression has three statistically significant independent variables
  D. If the air-fuel ratio increases by 1, the TurbineOutput more than triples
  E. The SteamExitTemp explains the most variation of the TurbineOutput
  D. If the air-fuel ratio increases by 1, the TurbineOutput more than triples
  E. The SteamExitTemp explains the most variation of the TurbineOutput

• Question 180:

  For a batch manufacturing process, while assessing short term process variation, which variation category(ies) should one need to focus on? (Note: There are 2 correct answers).

  A. Variation within consecutive pieces
  B. Variation among consecutive batches
  C. Variation among groups of pieces
  D. Variation among the completed product
  A. Variation within consecutive pieces
  B. Variation among consecutive batches