Complete the mcq:
1. Factors that should be considered when selecting Six Sigma projects include the following EXCEPT: financial return.
impacts on customers and organizational effectiveness.
fit to existing government legislation(s) on quality.
probability of success.
2. At a Six Sigma quality level, if the process mean is held exactly on target, the expected result would be:
1.5 defects per thousand opportunities.
2.8 defects per ten thousand opportunities.
3.4 defects per million opportunities.
2.0 defects per billion opportunities.
3. Calculating the average value of 5 sample measurements of door width is an example of:
descriptive statistics.
statistical inference.
predictive statistics.
analytical statistics.
4. A mathematical function that assigns numerical values to every possible outcome in a sample space is called a _____.
probability function
population constant
sample variable
random variable
5. A Six Sigma quality level means that the difference between the upper and lower specification limits is six standard deviations.
True
False
6. _____ are special types of data collection forms in which the results may be interpreted on the form directly without additional processing.
Control charts
Check sheets
Statistical process controls
Worksheets
7. The sampling method where every item in the population has an equal probability of being selected is called:
simple random sampling.
stratified sampling.
systematic sampling.
judgment sampling.
8. Half the tolerance is equal to the distance from the target to the upper specification limit.
True
False
9. A change in quality level from 3-sigma to 4-sigma represents a:
1-fold improvement.
2-fold improvement.
5-fold improvement.
10-fold improvement.
10. A confidence interval is a point estimate of a population parameter.
True
False