IASSC IASSC Certifications ICGB Questions & Answers

• Question 121:

  The Regression Model for an observed value of Y contains the term which represents the Y axis intercept when X = 0.

  A. True

  B. False

  Correct Answer: A

• Question 122:

  Which statement(s) are true about the Fitted Line Plot shown here? (Note: There are 2 correct answers).

  

  A. When Reactant increases, the Energy Consumed increases.

  B. The slope of the equation is a positive 130.5.

  C. The predicted output Y is close to -18 when the Reactant level is set to 6.

  D. Over 85 % of the variation of the Energy Consumed is explained by the Reactant via this Linear Regression.

  Correct Answer: CD

• Question 123:

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

  

  A. This Regression is an example of a Multiple Linear Regression.

  B. This Regression is an example of Cubic Regression.

  C. %Cu explains the majority of the process variance in heat flux.

  D. Thickness explains over 80% of the process variance in heat flux.

  E. The number of Residuals in this Regression Analysis is 26.

  Correct Answer: AD

• Question 124:

  Fractional Factorial designs for an experimental approach are used when ____________ about the multiple metric interaction in a process.

  A. Much is known

  B. Little is known

  C. We don't care D. Data exists

  Correct Answer: B

• Question 125:

  A Belt will occasionally do a quick experiment referred to as an OFAT which stands for ____________________.

  A. Only a Few Are Tested

  B. Opposite Factors Affect Technique

  C. One Factor At a Time

  D. Ordinary Fractional Approach Technique

  Correct Answer: C

• Question 126:

  Multiple Linear Regressions (MLR) is best used when which of these are applicable? (Note: There are 3 correct answers).

  A. Non-linear relationships between the inputs X's and output Y

  B. Uncertainty in the slope of the linear relationship between an X and a Y

  C. Relationships between Y (output) and more than one X (Input)

  D. Preventing the use of a Designed Experiment if unnecessary

  E. We assume that the X's are independent of each other

  Correct Answer: CDE

• Question 127:

  When analyzing a data set we frequently graph one metric as a function of another. If the slope of the Correlation line is -2.5 we would say the two metrics are ___________ correlated?

  A. Positively

  B. Not

  C. Negatively

  D. None

  Correct Answer: C

• Question 128:

  A Belt concludes a Lean Six Sigma project with the creation of a Control Plan. At what point can the Control Plan be closed?

  A. Never, a Control Plan is a living document

  B. As soon as the Champion signs off

  C. Within 30 days of the LSS project review team meeting

  D. After the project has been presented at the recognition event

  Correct Answer: A

• Question 129:

  After a Belt has put data through the smoothing process which chart would be used to look for trends in the data?

  A. Moving Average Chart

  B. Multi-Vari Chart

  C. X bar Chart

  D. Pareto Chart

  Correct Answer: A

• Question 130:

  If a process has Outliers which pair of charts is most preferable if subgroups will exist for the Continuous Data?

  A. Individual--Moving Range

  B. Xbar-R Charts

  C. Xbar-S Charts

  D. nP and P Charts

  Correct Answer: B