8Control Charts for Attributes
- 8-1 Introduction and Chapter Objectives
- 8-2 Advantages and Disadvantages of Attribute Charts
- 8-3 Preliminary Decisions
- 8-4 Chart for Proportion Nonconforming: p-Chart
- 8-5 Chart for Number of Nonconforming Items: np-Chart
- 8-6 Chart for Number of Nonconformities: c-Chart
- 8-7 Chart for Number of Nonconformities Per Unit: u-Chart
- 8-8 Chart for Demerits Per Unit: u-Chart
- 8-9 Charts for Highly Conforming Processes
- 8-10 Operating Characteristic Curves for Attribute Control Charts
- Summary
Symbols | |||
n | Constant sample size | c | Population mean number of nonconformities |
ni | Sample size of ith sample | Sample average number of nonconformities | |
g | Number of samples or subgroups | c0 | Specified goal or standard for the number of nonconformities |
p | Population proportion nonconforming | u | Population mean number of nonconformities per unit |
Sample proportion nonconforming | Sample average number of nonconformities per unit | ||
Standard deviation of | D | Number ... |
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