A researcher claims that the number of homicide crimes by season is uniformly distributed. To test this claim, you randomly select 1,202 homicides from a recent year and record the season when each happened. The table shows the results. At ? = 0.10, test the researcher's claim. Season Frequency, f Spring 305 Summer 315 Fall 293 Winter 289 H0: The distribution of the number of homicide crimes by season is uniform. Ha: The distribution of the number of homicide crimes by season is not uniform. Which hypothesis is the claim? H0 Calculate the test statistic. ?² = 1.370 Determine the P-value. P-value = 0.732 Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim. Fail to reject H0. There is not enough evidence at the 10% level of significance to reject the claim that the distribution of the number of homicide crimes by season is uniform.
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First, we need to identify the null hypothesis (H0) and the alternative hypothesis (Ha). In this case, the null hypothesis is that the distribution of the number of homicide crimes by season is uniform (i.e., the same for all seasons). The alternative hypothesis Show more…
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