IASSC Lean Six Sigma Black Belt ICBB IASSC-ICBB Questions & Answers

• Question 1:

  The Waste of Overproduction is defined as ______________________.

  A. The unnecessary movement of people and equipment

  B. The liability of materials that are bought, invested in and not immediately sold or used

  C. Producing more than the next step needs or more than the customer buys

  D. The extra movement of material

  Correct Answer: C

• Question 2:

  One of the methods of testing a Measurement System is to have at least two people take multiple readings from the same instrument and of the same sample set to judge the Repeatability and Reproducibly. This approach is called a ______________ study.

  A. Correlation Analysis

  B. Gage R and R

  C. Bimodal

  D. Dual Attribute

  Correct Answer: B

• Question 3:

  The Lean toolbox includes all of these items except ________________.

  A. Mistake Proofing

  B. Visual Factory

  C. Design of Experiments

  D. Inventory Management

  Correct Answer: C

• Question 4:

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

  

  A. The dependent variable is the outside temperature

  B. The relationship between outside temperature and number of customers per hour is a Linear Regression

  C. The dashed lines indicate with 95% confidence where all of the process data should fall between

  D. The dashed lines indicate with 95% confidence the estimate for the Quadratic Regression Line

  E. The predicted number of customers per hour is close to 5 if the outside temperature is 10 deg C

  Correct Answer: DE

• Question 5:

  Common and ______________ Cause Variation are the focus of Statistical Process Control.

  A. Uncommon

  B. Ordinary

  C. Special

  D. Selective

  Correct Answer: C

• Question 6:

  Which of these is not a primary cause for Non-normal Data?

  A. Skewness

  B. Mixed Distributions

  C. Kurtosis

  D. Formulosis

  E. Granularity

  Correct Answer: D

• Question 7:

  Use this data to calculate the Z score. Average oF. 65, Standard Deviation: 3, Upper Spec Limit: 72

  A. 0.27

  B. 1.5

  C. 2.33

  D. 4.12

  Correct Answer: C

• Question 8:

  The _____________ Distribution would be the most desirable for modeling the number of stitch defects in a portion of fabric.

  A. Exponential

  B. Extended

  C. Poisson

  D. Weibull

  Correct Answer: C

• Question 9:

  Which of these graphical presentations displays the values of each individual reading?

  A. Histogram

  B. Box Plot

  C. Stem and Leaf Plot

  D. X-Y Diagram

  Correct Answer: C

• Question 10:

  The _______ is the most frequently occurring value in a distribution of data.

  A. Median

  B. Mean

  C. Mode

  D. Center Point

  Correct Answer: C