Quality Management And Improvement

Top 20 Quality Management And Improvement Questions With Answers

Welcome to a comprehensive exploration of Quality Management and Improvement! In this blog, we delve into the top 20 essential questions to enhance your understanding of quality in various fields. Quality management is a crucial aspect of any successful organization, ensuring products or services meet or exceed customer expectations. Discover practical insights and solutions as we address key inquiries, from the fundamentals of quality control to strategies for continuous improvement.

Whether you’re a seasoned professional or new to the concept, these answers aim to simplify complex ideas, making quality management accessible to everyone. Join us on a journey to unlock the secrets of effective quality management and elevate your approach to delivering excellence. Let’s embark on this insightful quest together!

Now, let’s move on to the Top 20 Quality Management And Improvement Questions With Answers.

  1. Q1. A p chart has been plotted for some time. Recently, steps have been made to substantially improve the process. One would not be surprised to find that:

    Select one:
    a. The chart demonstrates more out of control conditions
    b. The chart must be converted into a variable chart
    c. A larger sample size must be taken
    d. The chart requires the samples to be taken more frequently than in the past

  2. Q2. A Six Sigma project team is led by a green belt. The current activity is to develop a control plan. The ultimate responsibility for developing the initial plan would belong to:

    Select one:
    a. The project team
    b. The green belt
    c. The process owner
    d. The production function

  3. Q3. Compute the upper control limit for an S chart, based on a sample size of 10, if the process is in control with a mean of 40 and a sample standard deviation of 7.

    Select one:
    a. 12.0
    b. 13.3
    c. 15.7
    d. 21.0

  4. Q4. The implementation of a control plan in the painting department was so successful that a master black belt wants you to implement the same control plan in the final assembly area. What changes should be made before implementing the necessary control plan?

    Select one:
    a. Each control plan is unique, a new plan must be developed for the final assembly area
    b. A lot of changes will be necessary
    c. No changes are needed since the two areas are in the same company
    d. Minor changes may be necessary to reflect the assembly area differences

  5. Q5. How many individual data values are considered sufficient to accurately calculate the upper and lower control limits for X-bar and R control charts?

    Select one:
    a. 20 
    b. 100 
    c. 200 
    d. 500

  6. Q6. When should an X-MR chart be used?

    Select one:
    a. When the number of defectives data is being monitored
    b. When an exceptionally large run size is expected
    c. When range data is unreliable
    d. For destructive testing applications

  7. Q7. An X-bar chart has shown control for a long time. However, the points for the last 50 samples are all very near the center line on the chart. In fact, they are all within one sigma of the center line. This probably indicates that:

    Select one:
    a. A desirable situation has developed
    b. An undesirable situation may occur
    c. The process standard deviation has decreased during the last 50 samples
    d. The control limits are incorrectly computed

  8. Q8. Which of these might not be considered a standard element of a control plan?
    [ A ] SOP (Standard Operating Procedures) [ B ] Training Plan
    [ C ] Floor plan [ D ] Communication Plan
    [ E ] Audit Plan

    Select one:
    a. B
    b. BD
    c. C
    d. CD
    e. E

  9. Q9. A process has been experiencing problems lately. The operators charting the process have identified the cause to be due to a change in incoming materials. This problem is:

    Select one:
    a. Attributed to purchasing
    b. A special cause
    c. A common cause
    d. A normal event

  10. Q10. A process is in control with p-bar = 0.10 and n = 100. The three sigma limits of the np control chart are:

    Select one:
    a. 1 and 19
    b. 9.1 and 10.9
    c. 0.01 and 0.19
    d. 0.07 and 0.13

  11. Q11. The most difficult type of variability to reduce via control charting and/or other techniques is:

    Select one:
    a. The inherent error of measurement
    b. Piece-to-piece variability
    c. Stream to stream variability
    d. Lot to lot variability

  12. Q12. Xbar-R chart is a control chart for continuous data with a constant subgroup size between two and ten
    [ ] True [ ] False

    Select one:
    a. True
    b. False

  13. Q13. Effective control chart subgrouping includes which of the following actions?

    Select one:
    a. Group product so that the subgroups are as heterogeneous as possible
    b. Group products produced over a long period of time
    c. Group product to achieve a minimum opportunity for variation between subgroups
    d. Group product to be representative of production over a short time period

  14. Q14. While plotting a control chart, it is noted that two of the last three points are greater than 2 sigma, four out of the last five points are beyond 1 sigma, and eight successive points are on one side of the center line. This information suggests that one should:

    Select one:
    a. Stop the process immediately
    b. Take more readings and continue to plot
    c. Write a discrepancy notice to the supervisor
    d. Investigate to determine what has changed

  15. Q15. A six sigma project has progressed to the point that a control plan is required. Control plan activities can be considered closed after which of the following?

    Select one:
    a. A process owner is named for the control plan
    b. A responsible engineer is designated
    c. The cross functional team signs off on the control plan
    d. The control plan is a living document and is rarely closed

  16. Q16. On an X-bar chart, many plot points are noted in zone B, some in zone C, and a few in zone A. What could be occurring in the process?

    Select one:
    a. Trends or overcorrections
    b. Stratification
    c. Mixtures or systemic variation
    d. Improper calculation of the control limits

  17. Q17. A six sigma team is investigating the sources of variation in fabric rolls. All rolls are different in length. The variable of interest is the number of holes per unit of length. Which control chart will work best for this situation?

    Select one:
    a. X-bar and R chart
    b. p chart
    c. c chart
    d. u chart

  18. Q18. If a control chart has UCL = 45.1 and USL = 45.6, and the last sample has values of 44.6, 45.7, and 44.8, one can conclude:

    Select one:
    a. The process is within specification and in control
    b. The process is within specification but out of control
    c. The process is out of specification but in control
    d. The process is out of specification and out of control

  19. Q19. What is the importance of the reaction plan in a control plan?

    Select one:
    a. It describes what will happen if a key variable goes out of control
    b. It indicates that a new team must be formed to react to a problem
    c. It lists how often the process should be monitored
    d. It defines the special characteristics to be monitored

  20. Q20. A response plan should be a component of as few control plan elements as possible
    [ ] True [ ] False

    Select one:
    a. True
    b. False


  1. c
  2. b
  3. a
  4. a
  5. b
  6. d
  7. c
  8. c
  9. b
  10. a
  11. a
  12. a
  13. d
  14. d
  15. d
  16. c
  17. d
  18. c
  19. a
  20. b