A manufacturing company tracks defects per 1000 units produced. The table below shows data for three product lines (A, B, C) over four quarters. Which product line had the highest average defect rate over the entire year?
✓ Correct Answer: Option C
Calculate the average defect rate for each product line: A = (15+12+18+10)/4 = 13.75; B = (10+11+13+16)/4 = 12.5; C = (20+15+17+14)/4 = 16. Product Line C has the highest average.
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