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A Pizza Delivery Service Wants to Track Their Delivery Times

Question 25

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A pizza delivery service wants to track their delivery times.They take eight samples of four deliveries and record the following data.What are the upper and lower control limits of their R-chart? A pizza delivery service wants to track their delivery times.They take eight samples of four deliveries and record the following data.What are the upper and lower control limits of their R-chart?   A)  24.9, 20.3 B)  7.2, 0.0 C)  3.1, 0.0 D)  22.6, 0.0


A) 24.9, 20.3
B) 7.2, 0.0
C) 3.1, 0.0
D) 22.6, 0.0

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