Two staff analysts of the Bismark Municipal Transit Authority are locked in debate regarding the relationship between driver experience and accidents on bus routes. From authority records they have coded drivers experience into the following categories: low (less than five years driving a bus), medium (5 to 19 years), and high (20 or more years); accidents have been coded as none, one, and more than on. These data are cross-tabulated below.
Gamma = .05 Lambda = .48
One analyst insists that these two variables are related while the other analyst insists that they are not related. Analyze the relationship between driver experience and accidents, explain the source of disagreement between the two analysts, and resolve their debate.

  • CreatedNovember 11, 2015
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