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Question:

While random variability in a system can be removed by ______________, non-random variability requires ______________.
  1. Operator or management action, Improvement in the system
  2. Improvement in the system, operator or management action
  3. Statistical Quality Control, Quality Checks
  4. None of the above






Q2. The basic assumption of calculating the control limits based on average sample size (for a p chart) will ______________ from/as those previously observed.

  1. Greatly differ
  2. Will be exactly the same
  3. Not greatly differ
  4. None of the above
Correct Answer

Q3. Quality circles work best if employees are initially trained in ______________

  1. Group dynamics
  2. Motivation principles
  3. Communications
  4. All of the three.
Correct Answer

Q4. How does ISO 9000:2015 define a process?

  1. Set of interrelated or interacting activities which uses inputs to deliver a result that meets or exceeds the ISO 9001 standards of quality
  2. A full lifecycle of events which includes inputs such as materials and information, management, resources and outputs
  3. A cycle which includes inputs, actions and outputs to ensure quality is met
  4. Set of interrelated or interacting activities that uses inputs to deliver an intended result
Correct Answer

Q5. Reworking ______________ the cost of quality.

  1. Decreases
  2. Increases
  3. Neutralizes
Correct Answer

Q6. Six Sigma is a business-driven, multi-dimensional structured approach to

  1. Reducing process variability
  2. Increasing customer satisfaction
  3. Lowering Defects
  4. Improving Processes
  5. All of the above
Correct Answer

Q7. The ______________ of a product or service mostly affects its reliability and maintenance characteristics.

  1. design
  2. concept
  3. fabrication
  4. performance
  5. cost
Correct Answer

Q8. A simple experimental design with two levels of an independent variable cannot

  1. detect a curvilinear relationship between variables.
  2. detect a monotonic relationship.
  3. reveal a positive relationship.
  4. show a negative relationship outcome.
Correct Answer

Q9. The main purpose of the Measure Phase of DMAIC is to:

  1. Determine the customer requirements
  2. Find root causes
  3. Develop solutions
  4. Set baseline data to understand how the process is currently performing.
Correct Answer

Q10. Consider that for a process s bar (average standard deviation of 50 samples each of size 4) is found to be 10.04. The value of c4 (corresponding to sample size of .4) is .92. What is the estimated value of process standard deviation?

  1. 10.91 (s bar/ c4 is an unbiased estimator of standard deviation)
  2. 11.89
  3. 12.67
  4. 9.67
Correct Answer








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