To combat red-light-running crashes many states have installed red light cameras at dangerous intersections to photograph the

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To combat red-light-running crashes many states have installed red light cameras at dangerous intersections to photograph the license plates of vehicles that run the red light. How effective are photo-red enforcement programs in reducing red-light running crash incidents at intersections? The Virginia Department of Transportation (VDOT) conducted a comprehensive study of its photo-red enforcement program. In one portion of the study, the VDOT provided crash data both before and after installation of red light cameras at several intersections. The data (measured as the number of crashes caused by red light running per intersection per year) for 13 intersections in Fairfax County, Virginia, are given in the table. Analyze the data for the VDOT. What do you conclude?

Intersection Before Camera After Camera 3.60 0.27 1.36 3 4 0.29 4.55 1.79 5 6. 2.60 2.29 2.40 2.04 3.14 2.72 8. 0.73 3.1

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Statistics For Business And Economics

ISBN: 9780134506593

13th Edition

Authors: James T. McClave, P. George Benson, Terry Sincich

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Question Posted: Nov 22, 2017 07:26 AM

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To combat red-light-running crashes many states have installed red light cameras at dangerous intersections to photograph the

Question:

Intersection Before Camera After Camera 3.60 0.27 1.36 3 4 0.29 4.55 1.79 5 6. 2.60 2.29 2.40 2.04 3.14 2.72 8. 0.73 3.15 3.21 0.24 1.57 0.43 0.28 1.09 4.92 10 11 12 13 0.88 1.35 7.35

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Let 1 mean number of crashes caused by red light running per intersection before camera is installed ...View the full answer

Statistics For Business And Economics

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