Six Sigma CLSSGB Online Practice Questions and Exam Preparation

Six Sigma CLSSGB Online Questions & Answers

• Question 1:

  A Linear Regression model shows an R2 (adjusted) of 0.90 and a P-value of 0.002. A Quadratic Regression model of the same data shows an R2 (adjusted) of 0.92 and a P-value of 0.000. What can you conclude?

  A. A linear model would be better than a quadratic model.
  B. A quadratic model would be better than a linear model.
  C. Any non-linear model would fit the data well.
  D. Any linear or non-linear model would fit the data well.
  E. Neither a linear or non-linear model fits the data well.
  F. The Residuals would be expected to be large for either a linear or quadratic.
  D. Any linear or non-linear model would fit the data well.

• Question 2:

  In a Hypothesis Test for Means, a sample size of 20 has produced a Mean of 9.5 mm with a Standard Deviation of 0.5 mm. The customer specification on the part is 10 mm. At 5% significance level, what should the customer do?

  A. Reject the lot
  B. Accept the lot
  C. State the population Mean is greater than 10 mm
  D. Change their specification to 9.5 mm
  B. Accept the lot

• Question 3:

  In determining a `process average fraction defective' using inductive or inferential statistics, we are making inferences about _______ based on__________ taken from_________.

  A. Statistics, samples, populations
  B. Population, samples, statistics
  C. Population, samples, populations
  D. Sample, statistics, population
  B. Population, samples, statistics

• Question 4:

  A plastic box manufacturer is producing 4 types of boxes. A quality engineer is working on reducing the variances of the storage capacity of boxes. To explain the variation of storage capacity across all types of boxes, which method should he use?

  A. Random sampling
  B. Stratified random sampling
  C. Systematic sampling
  D. All of these answers are correct
  D. All of these answers are correct

• Question 5:

  For a Cpk value of 1.67 and Cp value of 1, what can be concluded?

  A. This process is centered but contains variation
  B. Process is well centered and variation is also low
  C. Process is not centered and has wide variation
  D. There is a calculation error
  B. Process is well centered and variation is also low

• Question 6:

  Which of these is Discrete data?

  A. The airplane needed 34 gallons of fuel.
  B. The bus arrived at 12:31 pm.
  C. 6 of 32 pupils failed the exam.
  D. His marathon time was 3:12.
  C. 6 of 32 pupils failed the exam.

• Question 7:

  This output is what type of advanced Capability Analysis?

  A. Continuous
  B. Binomial
  C. Poisson
  D. Discreet
  E. DPU
  B. Binomial

• Question 8:

  Conducting a viable Capability Analysis using Attribute Data one must obtain a fairly large sample set to be statistically sound.

  A. True
  B. False
  A. True

• Question 9:

  A Stable process is a process whose output is consistent over time. A primary tool used to analyze Stability would be a ________________.

  A. Data Forward Plot
  B. Bag Plot
  C. Min/Max Plot
  D. Time Series Plot
  D. Time Series Plot

• Question 10:

  The reported Cpk for a process with an average of 94 units, a spread of 22 units and upper and lower specification limits of 125 and 80 units would be?

  A. 0.64
  B. 1.27
  C. 1.84
  D. 2.12
  B. 1.27