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

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

Answer:

Histogram and five-number summary is already given in the question.

Using the information from JMP,

median: 14.99

Inter-quartile range: Q3-Q1=15.7075-14.1575=1.55

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