Statement of a problem № m40343


A researcher claims that the number of homicide crimes in California by month is uniformly distributed. To test this claim, you randomly select 1200 homicides from a recent year and record the month when each happened. The table shows the results. At α = 0.10, test the researcher’s claim. (a) Identify the expected distribution and state H0 and Ha, (b) Find the critical value and identify the rejection region, (c) Find the chi-square test statistic, (d) Decide whether to reject or fail to reject the null hypothesis, (e) Interpret the decision in the context of the original claim.

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