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