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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