CLSSGB Free Practice Test

If a process has Outliers which pair of charts is most preferable if subgroups will exist for the Continuous Data?

1. A. Individual—Moving Range
2. B. Xbar-R Charts
3. C. Xbar-S Charts
4. D. nP and P Charts

Correct Answer: B

A Belt experienced an Alpha of .05 and a Beta of .10 and knew these are the most common risk levels when running a Statistical test.

1. A. True
2. B. False

Correct Answer: A

After a Belt has put data through the smoothing process which chart would be used to look for trends in the data?

1. A. Moving Average Chart
2. B. Multi-Vari Chart
3. C. X bar Chart
4. D. Pareto Chart

Correct Answer: A

Which of the following is used to test the significance for the analysis of a Variance Table?

1. A. t Test
2. B. F Test
3. C. Chi Square Test
4. D. Acid Test

Correct Answer: B

The reason(s) for not marking the customer Specification Limits (SL) on a Control Chart is which of these? (Note: There are 4 correct answers).

1. A. Process control teams should not control a process based on SLs
2. B. Displaying the SLs on a Control Chart sends a wrong signal toward process control
3. C. Marking the SLs on a Control Chart is against the principle of charting
4. D. By marking the SLs, one can confuse the operator as to what limits are critical
5. E. By using mere Control Limits the process only needs to be in Statistical Control

Correct Answer: ABDE