The member will learn how to use graphs and charts to aid in proving the key Xs.
- Customers are complaining about pizza crust.…The pizza chain is losing revenue.…A Six Sigma project team is now in the Analyze phase.…Potential X's were generated and a few X's…were selected to be tested and validated.…One potential X is that one or two locations…is causing all the crust problems.…Another potential X is that the crust problem is caused…by variation in oven temperatures.…
We can use graphs and charts to help validate key X's…during the Analyze phase.…For example, let's address the first potential X…mentioned in this analysis.…Since the number of crust complaints is Discrete,…or Count Data, a bar chart or Pareto chart, is appropriate.…But if I want to prioritize the locations…based on a number of crust complaints,…then the Pareto chart is the most suitable graph.…Here is the Pareto chart of pizza crust complaints…across locations.…
Looking at the Pareto chart, we can conclude that, yes,…the crust problem is indeed isolated to just one location.…We have proven one X.…Next, let's address a second potential X, that the crust…
- What is Six Sigma?
- Understanding key concepts such as Y = f(x) and sigma level
- Selecting Six Sigma projects and team members
- Planning in the Define phase
- Gathering data in the Measure phase
- Analyzing data in the Analyze phase
- Selecting and evaluating solutions in the Improve phase
- Developing a control plan in the Control phase
Skill Level Appropriate for all
1. Introduction to Six Sigma
2. Key Concepts in Six Sigma
3. Selection of Six Sigma Projects
4. Define Phase
5. Measure Phase
6. Analyze Phase
7. Improve Phase
8. Control Phase
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