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- Which value stream are you supporting and who is the recipient of the value, i.e., who is the customer? Who is the value stream owner and who are the players or team members? How well does the team work together?
- Within the value stream, which process or processes have the highest priority for improvement? Show me the data that led to this conclusion.
- How is the process performed? How does the value flow? What activity is value added and what is non-value added?
- What are the process performance measures, i.e., how will we gauge if a process is improving? Why did we choose those? How accurate and precise is the measurement system? Show me the data.
- What are the customer-driven requirements or specifications for all of the
performance measures? Are the process performance measures in control and how capable is the process? Show me the data. What are the improvement goals for the value stream or process performance measures?
- What kinds of waste and cost of poor quality exist in the value stream or process and what is the financial and/or customer impact? Show me the data.
- What are all the sources of variability in the value stream or process and which of those do we control? How do we control them and what is our method of documenting and maintaining this control? Show me the data.
- Are any sources of waste or variability supplier-dependent? If so, what are they, who are the suppliers, and how are we working together to eliminate waste and variability? Show me the data.
- What are the key input variables that affect the average and standard deviation of the measures of performance? How do you know this? Show me the data.
- What are the relationships between the measures of performance and the key input variables? Do any of the key input variables interact? How do you know for sure? Show me the data.
- What settings or values for the key input variables will optimize the measures of performance? How do you know this? Show me the data.
- For the optimal settings of the key input variables, what kind of variability still exists in the performance measures? How do you know? Show me the data.
- Have we implemented a process flow and control system to sustain the gains and continuously improve the process? Show me the data.
- How much improvement has the value stream or process shown in the past six months? How much time and/or money have our efforts saved the company? Show me the data.
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