Quality Question Bank
for Exam preparation

Q2. In a six sigma improvement project the least experienced individuals are:

1. Red Belts
2. Master Black Belts
3. Green Belt
4. Black belts

Q3. When errors that affect quality are discovered, the procedure to improve the situation should be to ______________.

1. all of the above
2. identify the specific error
3. correct the specific error
4. determine the root causes of the error
5. correct the root cause of the error

Q4. The defect concentration diagram can be used in the ______________ stage of the DMAIC.

1. Define
2. Measure
3. Analyze
4. Improve

Q5. The objective of Design of Experiments (DOE) is to

1. Map all process steps and determine their average duration
2. Establish optimal process performance by finding the right settings for key process input variables
3. Establish how well the process runs for all possible machine input variables and settings
4. Determine the mean and standard deviation of a population key process input variables

Q6. A sample of size 10 contains 50 non-conformities. The average number of non-conformities is:

1. 7
2. 4
3. 5 (50/10 i.e. total non-conformities/sample size)
4. 1

Q7. The main purpose of the Improve Phase is to:

1. Develop a SIPOC map
2. Put plans in place to maintain the gains made
3. Identify the critical measures of the process
4. Identify the creative solutions that solve the validated root causes

Q8. The focal point of all quality control should be:

1. Price focus
2. Cost Focus
3. Customer Focus
4. Manufacturing Focus

Q9. A result is called "statistically significant" whenever

1. The null hypothesis is true.
2. The alternative hypothesis is true.
3. The p-value is less or equal to the significance level.
4. The p-value is larger than the significance level.

Q10. reliability is the degree to which a unit of equipment performs its intended function under ______________ for ______________ of time.

1. specified conditions; specified period
2. any condition; specified period
3. specified conditions; all periods
4. any condition; any period