Some people believe that higher-octane fuels result in better gas mileage for th

Question

Some people believe that higher-octane fuels result in better gas mileage for their car. To test this claim, a researcher selected 11 individuals (and their cars) to participate in the study. each participant received 10 gallons of gas and drove his car on a closed course. the number of miles driven until the car ran out of gas was recorded. A coin flip was used to determine whether the car was filled up with 87-octane or 92-octane first and the drive did not know which fuel was in the tank Why is it important that the matching be done by drive and car? Cuts the cost of doing the research So that each driver can determine which fuel is best for their car So that an the trials can be done at the same time How someone drives and the car they drive result in different fuel consumption

Explanation / Answer

Option B is right.

The driver will know which fuel is the best

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.