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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
Two methods, A and B, for controlling traffic were employed at each of n = 12 intersections for a period of 1 week. The numbers of accidents occurring during this time period are recorded in the following table. The order of use (which method was employed for the first week) was randomly chosen for each intersection.
a Analyze these data using the sign test.
b Analyze these data using the Wilcoxon signed-rank test for a matched-pairs experiment.
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