Six Sigma CLSSBB Online Practice Questions and Exam Preparation

Six Sigma CLSSBB Online Questions & Answers

• Question 591:

  For Attribute Data, Process Capability is defined as the average proportion of nonconforming products.

  A. True
  B. False
  A. True

• Question 592:

  If it is desirable to maximize the response R, the following levels should be used:

  A. A+ and B+
  B. A+ and B
  C. A
  D. A
  E. none of the above
  A. A+ and B+

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  Explanation/Reference:

• Question 593:

  When a Belt properly analyzes the results of an experiment he must examine the Residuals in expectation of finding all of the following except _________.

  A. Some Residuals higher than others
  B. Residuals will represent a Linear Regression
  C. All Residuals within 2 Standard Deviations of the Mean
  D. Some Residuals lower than others
  B. Residuals will represent a Linear Regression

• Question 594:

  A Belt is analyzing data and upon creation of the graphical analysis sees multiple modes. One of the primary reasons this could occur is because the process has experienced a ____________________.

  A. Significant change from one shift to another
  B. Sizable Measurement System error
  C. Catastrophic failure of some sort
  D. Any one of these
  D. Any one of these

• Question 595:

  A team wants a technique for improving consistency of assembly operations. They should use:

  A. written and diagrammed work instructions
  B. flow charts and process maps
  C. cause and effect diagrams
  D. Pareto chart
  E. relationship matrix
  A. written and diagrammed work instructions

• Question 596:

  A black belt plans to test the performance of workers before and after training. Which of the following hypothesis tests should be used to determine whether the training actually improved the workers' performance?

  A. 2-sample z test
  B. 2-sample t test
  C. Paired t test
  D. F test
  C. Paired t test

• Question 597:

  The formula for reliability during constant failure rate conditions is: Use this formula to find the reliability of a product at 800 hours if MTBF = 600 hours.

  A. 0.87
  B. 0.78
  C. 0.37
  D. 0.26
  E. none of the above
  D. 0.26

• Question 598:

  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
  D. Factorial Design

• Question 599:

  A black belt would use non-parametric statistical methods when

  A. Knowledge of the underlying distribution of the population is limited
  B. the measurement scale is either nominal or ordinal
  C. the statistical estimation is required to have higher assurance
  D. Management requires substantial statistical analysis prior to implementing
  A. Knowledge of the underlying distribution of the population is limited

• Question 600:

  = 0.05 The average weight of castings produced at the Nebraska foundry is 3.7 lbs. A new supplier from Kansas has submitted a batch of castings known to have normally distributed weights. A random sample of 10 has an average weight of

  3.6 lbs. and standard deviation 0.06 lbs. Do these data indicate that the Kansas foundry produce lighter castings on average?

  A. yes
  B. no
  A. yes