Multiple Choice
Ten used cars from a rental fleet are randomly selected.Each vehicle's annual maintenance cost from the previous calendar year (y) is recorded as well as the vehicle's current mileage (x) .A simple linear regression is conducted on the data.
What is an 80% prediction interval for the annual repair cost of a used vehicle with 40,000 miles? (Given: Sxx= 8,036,677,024 and = $43,627.700.)
A) $(144.72, 956.96)
B) $(140.67, 961.01)
C) $(426.25, 675.43)
D) $(427.48, 674.20)
Correct Answer:

Verified
Correct Answer:
Verified
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