Use Pareto analysis to investigate the following data collected on a printed-circuit-board assembly line.
QUESTION:
Use Pareto analysis to investigate the following data collected on a printed-circuit-board assembly line:
|
Defect |
Number of Defects Occurrences |
| Components not adhering……………………………… | 143 |
| Excess……………………………………………………….… | 71 |
| Misplaced transistors………………………………..….. | 601 |
| Defective board dimension…………………….…….… | 146 |
| Mounting holes improperly positioned…………… | 12 |
| Circuitry problem on final test…………………………. | 90 |
| Wrong component …………………………………………. | 212 |
(a) Prepare a graph of the data?
(b) What conclusions do you reach?
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