A number of minor automobile accidents occur at various high-risk intersections. A study was done. Eight intersections were chosen at random. The number of minor accidents during a 6-month period before and after the modifications were:
Number of accidents
A B C D E F G H
Before modification 5 7 6 4 8 9 8 10
After modification 3 7 7 0 4 6 8 2
At the 0.01 significance level is it reasonable to conclude that the modification reduced the number of traffic accidents?© BrainMass Inc. brainmass.com October 9, 2019, 5:28 pm ad1c9bdddf
This Solution contains calculations to aid you in understanding the Solution to this question.