Which of the following best describes a process flowchart?

a) An analysis of the causes of a problem or an effect.

b) A graph depicting how a process performs over a period of time.

c) A categorical representation of the distribution of numerical data.

d) A visual representation of the sequence of steps needed to perform a process.

There are a number of metrics that can be used to measure the performance of a process. Which of the following metrics would be the MOST difficult to measure?

a) Customer satisfaction.

b) Number of returned items.

c) Number of incorrectly filled orders.

d) Time between placement of an order and fulfillment of the order.

Which of the following is an indicator of process capability?

a) The stability of a process.

b) The adaptability of a process.

c) The ability of a process to meet expectations.

d) The agility of a process to meet changing expectations.

Your process has a process capability index (C_pk) of 1.39. Your process is considered to be capable at which level of performance?

a) Three-Sigma.

b) Four-Sigma.

c) Five-Sigma.

d) Six-Sigma.

Which of the following data is not needed to calculate the process capability index?

a) Sample size.

b) Sample mean.

c) Population standard deviation.

d) Upper and lower specification limits.

Which of the following indicators is a measure of how a process is centered?

a) Mean.

b) Standard deviation.

c) C_p.

d) C_pk.

When working with your team to analyze the causes of a problem or effect, which of the following tools would be most helpful?

a) Flowchart.

b) Histogram.

c) Control chart.

d) Cause-and-effect diagram.

Which of the following statements best describes the relationship between specification limits and control limits in a control chart?

a) There is no relationship between control limits and specification limits.

b) Specification limits define process expectations whereas control limits define actual process performance.

c) Control limits define customer expectations whereas specification limits define design parameters.

d) Specification limits are dynamic based on process performance whereas control limits are static based upon customer expectations.