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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 classied 1361
Criminologists have long debated whether there is a relationship between weather conditions and the incidence of violent crime. The author of an article classied 1361 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 329 332 375 325 State the appropriate hypotheses. OHolP1=P2=P3=Da=0-25 Ha: no p,- = 0.25 O Ho:p1p2p3p40.25 H3: at least one p,- = 0.25 O Ho:p1p2#p3p40.25 H3: all pi's = 0.25 H01P1=P2=P3=P4=025 Ha: at least one p,- does not equal 0.25 Compute the test statistic value. (Round your answer to three decimal places.) 12 = 4.874 What can we say about the P-value? P-value 0.10 State the conclusion in the problem context. Fail to reject Ho. There is evidence that there is a seasonal relationship between weather conditions and the incidence of violent crime. 0 Fall to reject Ho. There is no evidence that there is a seasonal relationship between weather conditions and the incidence of violent crime. 0 Reject H0. There is evidence that there is a seasonal relationship between weather conditions and the incidence of violent crime. 0 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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