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Unformatted text preview: 2.1603686522 p-value = 0.0315 We reject the null hypothesis since the p-value is smaller than the significance level (0.10). We have sufficient evidence to conclude that the modification reduces the number of traffic accidents. Ho: 1 - 2 0 Ha: 1 - 2 > 0...
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This note was uploaded on 11/11/2011 for the course EC 315 taught by Professor Barcus during the Spring '10 term at Park.
- Spring '10