Question

Here are the conviction rates with the "stand your ground" data mentioned in the previous exercise. "White shooter on non-white" means that a white assailant shot a minority victim.
a. Which has the higher conviction rate: white shooter on non-white or non-white shooter on white?
b. Create a two-way table using White Shooter on Non-White and Non-White Shooter on White across the top and convicted and Not Convicted on the side.
c. Test the hypothesis that race and conviction rate (for these two groups) are independent at the 0.05 level.
d. Because some of the expected counts are pretty low, try a Fisher's Exact Test with the data, reporting the p-value (two-tailed) and the conclusion.


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  • CreatedJuly 16, 2015
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