Six Sigma Six Sigma Certifications CLSSBB Questions & Answers

• Question 81:

  For her injection molding project a Belt needed to track the percentage of defectives of a particular sample set so she used a ___________ to display the data?

  A. Individual Chart

  B. C Chart

  C. Xbar Chart

  D. P Chart

  Correct Answer: D

• Question 82:

  Which of these graphs demonstrates conditions which would be sufficient to enable OCAP for the process?

  A. Xbar Chart

  B. Time Series Chart

  C. Neither

  D. Both

  Correct Answer: A

• Question 83:

  A statistical test or Hypothesis Test is performed to reject or fail to reject a stated hypothesis and it converts the Practical Problem into a Statistical Problem.

  A. True

  B. False

  Correct Answer: A

• Question 84:

  Some of the sources for different types of error that can be quantified using Statistical Analysis are __________________.

  A. Error in sampling

  B. Bias in sampling

  C. Error in measurement

  D. All of these answers are correct

  Correct Answer: D

• Question 85:

  Since Normality is required if we intend to use the data collected as a predictive tool. To test for Normality of data we must determine if the P-value is ___________.

  A. Equal to 0.05

  B. Less than 0.05

  C. Greater than 0.05

  D. Greater than 0.5

  Correct Answer: C

• Question 86:

  The Normal Distribution is considered to be the most important distribution in statistics and, among other things is defined as having a total area under the curve of 1, is mounded and symmetrical and the Mean, Median and Mode are _____________.

  A. All evenly divisible by 3

  B. Twice the Standard Deviation

  C. Within 10% of each other

  D. The same number

  Correct Answer: D

• Question 87:

  Following process modifications, the Null Hypothesis states that no improvement to the process has occurred. If we discover the Null Hypothesis Test was rejected when it was false, that would be a(n) ________________________.

  A. Alpha Error

  B. Type I Error

  C. Type II Error

  D. Type III Error

  Correct Answer: C

• Question 88:

  When the Inputs, X's, for your process are Normally Distributed about the Mean, the Outputs, Y's, will always be Normally Distributed.

  A. True

  B. False

  Correct Answer: B

• Question 89:

  On a _________________ Belt screens variables, or various inputs, to analyze their relative impact on the output of concern.

  A. X-Y Matrix

  B. Weighted Scale

  C. Multi-Vari Chart

  D. Poisson Chart

  Correct Answer: C

• Question 90:

  For a Normal Distribution as samples size increases the Range in Mean and Standard Deviation decrease relative to the Mean and Standard Deviation of the population.

  A. True

  B. False

  Correct Answer: A