A list of 7 defects that lead to defects and the number of occurrences in a printed-circuit-board assembly line appear below:
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 components 212
A) Prepare a Pareto analysis the data.
B) What conclusions can you draw from the analysis?