Question: =+4.37 In a study investigating the effect of car speed on accident severity, 5000 reports of fatal automobile accidents were examined, and the vehicle

=+4.37 ▼ In a study investigating the effect of car speed on accident severity, 5000 reports of fatal automobile accidents were examined, and the vehicle speed at impact was recorded for each one. For these 5000 accidents, the average speed was 42 mph and that the standard deviation was hat the vehicle speed at mately normal.

vehicle speeds were between 27 and 57 mph?

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