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The correlation between the number of police on the street and the number of crimes committed for a sample of 15 comparable sized cities is 0. At the...

The correlation between the number of police on the street and the number of crimes committed for a sample of 15 comparable sized cities is 0.45. At the 0.05 significance level is this a positive association in the population between the two variables? a. state the null and alternative hypothesis. b. state the decision rule. c. compute the value of the test statistic.

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