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Criminologists have long debated whether there is a relationship between weather conditions and the incidence of violent crime. The author of an article classified 1360
Criminologists have long debated whether there is a relationship between weather conditions and the incidence of violent crime. The author of an article classified 1360 homicides according to season, resulting in the accompanying data. Test the null hypothesis of equal proportions using a = 0.05. (Right-click chi-square table to open a chi-square table in a separate tab or new window). Winter Spring Summer Fall 330 331 372 327 State the appropriate hypotheses. O Ho: P1 # P2 # P3 # P4 # 0.25 Ha: at least one p; = 0.25 O Ho: P1 # P2 # P3 # P4 # 0.25 Ha: all p;'s = 0.25 O Ho: P1 = P2 = P3 = P4 = 0.25 Ha: at least one p; does not equal 0.25 O Ho: P1 = P2 = P3 = P4 = 0.25 Ha: no pi = 0.25 Compute the test statistic value. (Round your answer to three decimal places.) x2 = What can we say about the P-value? O P-value 0.10 State the conclusion in the problem context. O Reject Ho. There is no evidence that there is a seasonal relationship between weather conditions and the incidence of violent crime. Reject Ho. There is evidence that there is a seasonal relationship between weather conditions and the incidence of violent crime. O Fail to reject Ho. There is evidence that there is a seasonal relationship between weather conditions and the incidence of violent crime. O Fail to reject Ho. There is no evidence that there is a seasonal relationship between weather conditions and the incidence of violent crime
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