Question
A fleet of rental cars - all the same make, model, and year - has a mean fuel efficiency of 23.4 miles per gallon (mpg).
A fleet of rental cars - all the same make, model, and year - has a mean fuel efficiency of 23.4 miles per gallon (mpg). A random sample of 41 cars are selected and the air filter of each is replaced with a new one. Letbe the population mean fuel efficiency score that would occur if every car's air filter were replaced. The air filter change is deemed effective if. A test is made ofversus.
Assume that the air filter changes are effective but the conclusion is reached that the changes might not be effective. Which type of error, of any, has occurred?
Question 3 options:
Type I
No error - correct decision
Type II
Mechanical failure
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