Answer :
Final answer:
The question is about the potential variance in length of 22-inch pipes, and such variances are important in understanding manufacturing tolerances.
Explanation:
The subject of the question pertains to the acceptable variance in length for a shipment of 22-inch pipes. The possible answer choices represent how much the length of the pipes may differ from the specified 22 inches. This question may involve understanding measurements and how to interpret them within a specified tolerance, which is a common aspect of quality control in manufacturing and engineering contexts. Although the provided reference material about the economics of scale in the chemical industry and the exercises about scale factors might not be directly related to the question about pipe length variance, knowing how to read and interpret measurements is a valuable skill in many industrial and technical sectors.
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