Quantitative Analysis for Management, 13/e

Discussion Questions and Problems

Discussion Questions

1. 15-1 Why is the central limit theorem so important in quality control?

2. 15-2 Why are $\overline{x}$- and R-charts usually used hand in hand?

3. 15-3 Explain the difference between control charts for variables and control charts for attributes.

4. 15-4 Explain the difference between c-charts and p-charts.

5. 15-5 When using a control chart, what are some patterns that would indicate that the process is out of control?

6. 15-6 What might cause a process to be out of control?

7. 15-7 Explain why a process can be out of control even though all the samples fall within the upper and lower control limits.

Problems

1. 15-8 Shader Storage Technologies produces refrigeration units for food producers and retail food establishments. ...