Common and assignable causes of variation

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1. Explain the three categories of statistical quality control (SQC). How are they different, what different information do they provide, and how can they be used together?

2. Describe three recent situations in which you were directly affected by the poor product or service quality.

3. Discuss the key differences between common and assignable causes of variation. Give examples.

4. Describe a quality control chart and how it can be used. What are the upper and lower control limits? What does it mean if an observation falls outside the control limits?

5. Explain the differences between x-bar and R-charts. How can they be used together and why would it be important to use them together?

Reference no: EM132285808

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