Multiple Choice
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
Correct Answer:

Verified
Correct Answer:
Verified
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