Question: 2. Consider the following data collected on a printed circuit-board assembly line. Defect Components not adhering Excess adhesive Misplaced transistors Defective board dimension Mounting holes

2. Consider the following data collected on a printed circuit-board assembly line. Defect Components not adhering Excess adhesive Misplaced transistors Defective board dimension Mounting holes improperly positioned Circuitry problems on final test Wrong component Number of Defect Occurrences 113 71 601 146 12 90 212 (a) List the defects in the order of frequency. Compute the percentage frequency and the cumulative percentage frequency. Number of Defect Percentage Cumulative Defect Occurrences Frequency Percentage Freq Misplaced transistors (b) Construct the Pareto chart by listing the defects in the axis and putting the cunnlative percentage frequency on the axis. 310 12

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