IASSC ICBB Online Practice Questions and Exam Preparation

IASSC ICBB Online Questions & Answers

• Question 51:

  When conducting a Hypothesis Test using Continuous Data the proper sample size is influenced by the extent to which we need to assess a Difference to be detected and the inherent variation in the process.

  A. True
  B. False
  A. True

• Question 52:

  Why do we use averages and sigma chart for large samples instead of averages and ranges chart?

  A. For large samples, a single extreme observation will have a significantly large effect on range, while its effect on standard deviation will be comparatively much less.
  B. Range is a better measure of dispersion than standard deviation.
  C. For large samples, calculation of range is laborious in comparison to standard deviation.
  D. None of the above.
  A. For large samples, a single extreme observation will have a significantly large effect on range, while its effect on standard deviation will be comparatively much less.

• Question 53:

  Who coined the concept `zero defects'?

  A. Deming
  B. Crosby
  C. Juran
  D. Taguchi
  B. Crosby

• Question 54:

  `A pull system' can be defined as:

  A. A system of manufacturing based on the continuous improvement of productivity
  B. A system in which production is not based on the actual demand of the customers
  C. A system based on the conventional mass production
  D. A system in which production is based on the actual demand of the customers
  D. A system in which production is based on the actual demand of the customers

• Question 55:

  Which statement(s) are correct about the Pareto Chart shown here for the DOE analysis? (Note: There are 2 correct answers).

  

  A. It is unknown from this graph how many factors were in the Experimental Design
  B. The factors to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 2.06
  C. The effects to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 0.05
  D. The factors to keep in the mathematical model with a 5% alpha risk are BE, AB, A and AD
  A. It is unknown from this graph how many factors were in the Experimental Design
  C. The effects to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 0.05

• Question 56:

  Which of the following can not be a service quality dimension?

  A. Aesthetics
  B. Reliability
  C. Courtesy
  D. Accuracy
  A. Aesthetics

• Question 57:

  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
  D. P Chart

• Question 58:

  The class score distribution of schools in a metropolitan area is shown here along with an analysis output.

  Comment on the statistical significance between the Means of the two distributions. Select the most appropriate statement.

  A. The two class Means are statistically different from each other
  B. The two class Means statistically not different from each other
  C. Inadequate information on class Means to make any statistical conclusions
  D. A visual comparison shows that class Means are not statistically different
  E. A visual comparison shows that class Means are statistically different
  A. The two class Means are statistically different from each other

• Question 59:

  Which statement(s) are correct about the DOE Factorial plot output here? (Note: There are 3 correct answers).

  

  A. Two factors were operated at 3 levels each
  B. The highest tool age was achieved with metal hardness at high level while keeping the cutting speed at the low level
  C. The design indicated above is a 32 factorial design
  D. The cutting speed and cutting angle are at the low level for the least tool age achieved
  E. All factors had 2 levels in the experiment
  B. The highest tool age was achieved with metal hardness at high level while keeping the cutting speed at the low level
  C. The design indicated above is a 32 factorial design
  E. All factors had 2 levels in the experiment

• Question 60:

  For a Kanban to be successful which of these must occur?

  A. Consistent cycle times
  B. Fairly stable process demand of product or service
  C. Low defect rate of incoming product or service
  D. All of the above
  D. All of the above