2. List any Part C: Problems A pizza delivery service wants to track their delivery times. They take eight samples of fo

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2 List Any Part C Problems A Pizza Delivery Service Wants To Track Their Delivery Times They Take Eight Samples Of Fo 1 (263.26 KiB) Viewed 40 times

2. List any Part C: Problems A pizza delivery service wants to track their delivery times. They take eight samples of four deliveries and record the following data. Sample # Item #1 Item #2 Item #3 Item #4 Mean Range 1 21.1 21.7 23.0 20.3 21.5 2.7 2 20.2 20.6 24.5 23.5 22.2 4.3 3 24.1 21.7 23.2 24.4 23.4 2.7 4 22.6 21.7 23.0 25.0 23.1 3.3 5 21.2 24.1 20.6 20.7 21.7 3.5 6 20.9 23.5 22.8 23.2 22.6 2.6 7 22.4 24.6 23.4 23.3 23.4 2.2 1. What is the process mean (X)? (2 Points) 2. What is the average range for this process (R)? (2 Points) 3. What are the upper and lower control limits of their x-bar chart? (6 Points) 4. Is the process under control (Explain)? (2 Points) 8 20.9 24.7 22.8 24.5 23.2 3.8