What is the error in this experiment Bill wants to know

Last updated: 5/17/2023

What is the error in this experiment Bill wants to know which skateboard wheels are the fastest He tests three types of wheels Zippy Turbo and Ludicrous He recruits three people to test one of the wheels Big Russell weighs 320 pounds and rides Zippy Mini Matt weighs 100 pounds and rides Turbo Tony Two Times weighs 200 pounds and rides Ludicrous The Ludicrous wheels end up going the furthest O He didn t use the same person for each type of wheel O Should have used a different road O Should have used more types of wheels O He measured wrong