Multiple Choice
Suppose that a Normal model describes fuel economy (miles per gallon) for automobiles and that a Toyota Corolla has a standardized score (z-score) of +2.2.This means that Corollas ________________________ .
A) get 2.2 mpg more than the average car.
B) achieve fuel economy that is 2.2 standard deviations better than the average car.
C) get 2.2 miles per gallon.
D) have a standard deviation of 2.2 mpg.
E) get 2.2 times the gas mileage of the average car.
Correct Answer:
Verified
Correct Answer:
Verified
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