10.81 Fabricating Systems A production plant has two extremely complex fabricating sys- tems; one system is twice...

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10.81 Fabricating Systems A production plant has two extremely complex fabricating sys- tems; one system is twice as old as the other. Both systems are checked, lubricated, and maintained once every 2 weeks. The number of finished products fabricated daily by each of the systems is recorded for 30 working days. The results are given in the table. Do these data present sufficient evidence to conclude that the variability in daily production warrants increased maintenance of the older fabricating system? Use the p-value approach.

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