A researcher claims that the number of violent crimes in England and Wales by year is uniformly

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A researcher claims that the number of violent crimes in England and Wales by year is uniformly distributed. To test this claim, you randomly select 22,526 crimes from recent years and record the year when each happened. The table shows the results. At \(\alpha=0.05\), test the researcher's claim.

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(a) identify the claim and state \(H_{0}\) and \(H_{a}\),

(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, and

(e) interpret the decision in the context of the original claim.

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Related Book For  book-img-for-question

Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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