Quality Question Bank
for Exam preparation

Q2. Bias reflects the:

1. The differences in observed accuracy and/or precision experienced over the range of measurements made by the system.
2. The difference between observed measurements and a "true" value obtained from a master or gold standard
3. Different levels of variability in different operating regimes, resulting from warm-up effects, environmental factors, inconsistent operator performance
4. None of the above

Q3. For a point in the control chart to be out of control, it must lie

1. Above UCL or Below LCL
2. Between Central Line and LCL
3. Between Central Line and UCL
4. None of the above

Q4. Consider that for a particular process, the p has shifted to .4 and the process has gone out of control. The corresponding value of beta is found to be .3356. The value of Average Run Length is:

1. 2.5
2. 1.5 ((1/1-beta) provides us with average run length)
3. 1.0
4. 2.7

Q5. 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

Q6. "Poka-yoke" is the Japanese term for ______________

1. Card
2. Mistake proof
3. Continuous improvement
4. Fishbone diagram

Q7. An unbiased dice is rolled once. The probability of getting a number greater than 4 is:

1. ¼
2. 1/6
3. ½
4. 1/3

Q8. Which elements are required to calculate Sigma?

1. Number of defectives and range
2. Process performance and customer requirements
3. Cycle time and quality
4. Number of employees, number of customers

Q9. 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

Q10. Given that for the three samples, the value of R bar is .66 and value of d2 corresponding to three is1.128, what is the estimated standard deviation?

1. .43
2. .67
3. .58
4. .75