Following their traffic study, the state lowered the speed limit on the U.S. state highway route through the small town from 45 mph to 35 mph
A follow-up study was done to determine whether or not reducing the speed limit reduced the number of accidents. Both studies were conducted for the same amount of time. Create and interpret a Pareto diagram.
What will be an ideal response?
Carelessness/Inattention 4
Visibility Obscured 22
Excessive Speed 8
Driving under the Influence 12
High traffic volume 2
Accidents due to excessive speed was significantly lowered from 37 to 8 incidences. This verifies that the changes made were influential in reducing the number of accidents. The next area to attack is Visibility.
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