In this video, Dr. Richard Chua explains how to select and use the correct control charts in various situations in Six Sigma projects.
- There are some important questions…to consider in the control phase.…First, how would operators and process owners know…when to take action and when to leave the process alone?…The answer is SPC charts.…And the next question is,…what would be monitored to make that control possible?…The answer?…Select the correct control subject.…Based on the data type of the control subject,…SPC chart for variables…or SPC chart for attributes are used.…
For example, processing times are variable…and defect rates are attributes.…In any process, what should be monitored…and controlled are the y, the key axis,…and any relevant CTQs.…For example, if y is the comfort level…and one CTQ is comfortable temperature,…then temperature is the x…that should monitored and controlled.…That means it has to be regulated…to maintain a particular temperature…or temperature range that is comfortable.…
So, temperature is the control subject.…Our next question is,…what data type is that control subject?…Is it continuous data,…such as temperature or processing time?…
LinkedIn Learning (Lynda.com) is a PMI Registered Education Provider. This course qualifies for professional development units (PDUs). To view the activity and PDU details for this course, click here.
The PMI Registered Education Provider logo is a registered mark of the Project Management Institute, Inc. Dr. Richard Chua builds upon his Six Sigma: Green Belt, Six Sigma Foundations, and Learning Minitab courses—which are prerequisites to this course—and covers an array of topics, including measurement system analysis, hypothesis testing, response surface methods, displaying improved process capabilities, and more.
- Process flow metrics
- Measurement system analysis
- Calculating process capability
- Hypothesis testing
- Confidence intervals
- Testing for normality
- Designing, conducting, and analyzing full-factorial experiments
- Using fractional factorial experiments for screening
- Displaying improved process capability
Skill Level Intermediate
Lean Six Sigma: Define and Measure Toolswith Richard Chua1h 25m Intermediate
1. Define Phase
Overview of the Define phase3m 51s
2. Measure Phase
3. Analyze Phase
4. Improve Phase
5. Control Phase
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