Goodness of Fit
A researcher is interested in testing whether car color choice is indicative of a driver’s propensity to speed. The following data was collected by a local police department on the number of speeding tickets issued last month according to car color (n = 505). Using this data, test whether all car colors are equally implicated in speeding incidents. Assume that the police caught these speeders at random. Use the p-value approach, and state your hypotheses.
|
Red |
Blue |
White |
Black |
Green |
|
120 |
98 |
103 |
96 |
88 |
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