Question: 4. The times required to check out customers in a supermarket and the correspond- ing values of purchases are shown in Table P-4. Answer parts

4. The times required to check out customers in a supermarket and the correspond- ing values of purchases are shown in Table P-4. Answer parts

a, b,

e, and f of Problem 3 using these data. Give a point forecast and a 99% interval forecast for Y if X = 3.0.

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