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4. Pronto Pizza. Recently a national chain pizza service set up near Pronto Pizz

ID: 3353306 • Letter: 4

Question

4. Pronto Pizza. Recently a national chain pizza service set up near Pronto Pizza, a family owned business. To compete, Pronto Pizza is considering offering a 30 minute delivery guarantee. To get more information about the current service, a sample of deliveries during one month was taken, totaling 240 deliveries in the sample (8 orders per day for 30 days). Data on the Prep Time (time to prepare the pizza), Wait Time (time between when the pizza is done cooking to when a driver picks it up), and Travel Time (time from the store to a customer's home) were

Explanation / Answer

Answers:

4(e). From the JMP output, for 240 wait times

mean= 2.53

Standard deviation= 3.26

4(f). The mean is larger than the median because it is largely influenced by the right-skewed shape of the distribution and the outliers found in the data.

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