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)

Question

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.)

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)

Quizplus · Accepted Answer

The Answer of 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)

Ten Used Cars from a Rental Fleet Are Randomly Selected