1. The hypotheses that the improvement teams develop are used for what purpose?

a. To focus their efforts on identifying potential Xs and determining if they have a significant impact on the Y

b. To brainstorm solutions to the root causes of the problem and set up for the Improve phase

c. To quantify the cost/benefit of addressing various potential causes

d. To collect additional Voice of the Customer (VOC) data to determine if customers agree with the potential causes the Team has identified

2Which statement best describes Y = f(x)?

a. Y is leading indicator; the value X depends on Y

b. A process improvement team can get a better input measure X, by improving the output measure Y

c. The outputs of a process (Y), are dependent on the inputs and the process, (X)

d. X and Y are inter-dependent; improving X will improve Y and vice-versa

3. While studying the process with the team, it became evident that there are many departments involved and too many hand-offs. Which process map would best emphasize these issues?

a. Value Stream Map

b. Swim lane Map

c. SIPOC

d. Organizational Chart

4. What chart is best used to determine if the 80/20 rule applies to the situation?

a. Pareto Chart

b. Histogram

c. Run Chart

d. Scatter Plot