Exam |
Lean Six Sigma Black Belt |

Number |
LSSBB |

File Name |
Lean Six Sigma Black Belt.Prepaway.LSSBB.2018-11-26.1e.178q.vcex |

Size |
1.48 Mb |

Posted |
November 26, 2018 |

Downloaded |
1 |

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Question 1

What conclusion is most correct about the Experimental Design shown here with the response in the far right column?

**A:**No factor has enough statistical confidence greater than 95% to have an impact on the response rate**B:**Constant, Adv and Bev are the only factors statistically affecting the response rate with 95% confidence or more**C:**If the Adv is increased from the low level to the high level, the response rate increases**D:**The response level is statistically concluded to only need the Adv and Bev factors set at the low level to get the largest response rate**E:**This design does not have enough experimental runs to conclude anything as evidenced by the lack of P-values in the MINITABTM output

Question 2

Which statement(s) are correct about the Factorial Plot shown here? (Note: There are 3 correct answers).

**A:**When the cutting speed increased from low to high level, the tool age increases**B:**The coefficient of the metal hardness is positively related to the output of tool age**C:**The coded coefficient is lower for cutting speed than the cutting angle related to the output of tool age**D:**These plots prove a statistically significance factor with 95% confidence**E:**These plots are an example of interaction plots

Question 3

How many experimental runs exist in a Full Factorial and fully randomized design for 4 factors with 2 replicates for the Corner Points and no Center Points? The factors in the experiment are only at 2-levels.

**A:**10**B:**32**C:**256**D:**64

Question 4

If an experiment has 5 factors and no replicates for a 2-level Experimental Design with 16 experimental runs which statement is incorrect?

**A:**The Experimental Design is half-fractional**B:**The Main Effects are confounded with only 4-way interactions**C:**The Main Effects for the 5 factors are not aliased or confounded but the 2-way interactions are confounded with the 3-way interactions**D:**The experiment has 8 experimental runs with the first factor at the high level

Question 5

Which statement(s) are correct about the Pareto Chart shown here for the DOE analysis? (Note: There are 2 correct answers).

**A:**It is unknown from this graph how many factors were in the Experimental Design**B:**The factors to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 2.06**C:**The effects to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 0.05**D:**The factors to keep in the mathematical model with a 5% alpha risk are BE, AB, A and AD

Question 6

Fractional Factorial, ____________and Response Surface Method are types of planned experiments.

**A:**Multi-Vari Analysis**B:**Baldridge Channels**C:**One Factor at a Time or OFAT**D:**Factorial Design

Question 7

Relative to a Design of Experiments the term ________________ refers to variables being a linear combination of each other.

**A:**Mirror Image**B:**Directly Parallel**C:**Collinear**D:**None of the above

Question 8

Which Experimental Design typically is most associated with the fewest number of input variables or factors in the design?

**A:**Fractional Factorial design**B:**Full Factorial design**C:**Simple Linear Regression**D:**Response Surface Design

Question 9

The method of Steepest Ascent guides you toward a target inside the original inference space.

**A:**True**B:**False

Question 10

Situations where standardized work needs to be incorporated include all of these except _____________________.

**A:**Machines continually operating to reduce the labor cost per piece**B:**Lack of a system to assure proper inventory levels at repair stations**C:**Changeover instructions incomplete**D:**Process flow for the same product assembly taking various cycle time for completion

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