Traffic Control Two methods for controllingtraffic, A and B, were used at each of n 12
Chapter 15, Problem 29(choose chapter or problem)
Traffic Control Two methods for controllingtraffic, A and B, were used at each of n 12 intersections for a period of 1 week, and thenumbers of accidents that occurred during this timeperiod were recorded. The order of use (which methodwould be employed for the first week) was selected ina random manner. You want to know whether the dataprovide sufficient evidence to indicate a difference inthe distributions of accident rates for traffic controlmethods A and B.Method MethodIntersection A B Intersection A B1 54 7 232 64 8 413 89 9 794 32 10 525 63 11 656 10 12 11a. Analyze using a sign test.b. Analyze using the Wilcoxon signed-rank test for apaired experiment.
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