Is there a difference between urban and rural jurisdictions in the hiring of female police officers? In California, for urban jurisdictions (n = 77) the mean percentage of female officers is 9.65 (s = 4.17). For non-urban jurisdictions (n = 84) there is a mean of 6.8 percentage of female officers (s = 4.16). Using alpha level of .01 in a two-tailed test, which is the most appropriate technique for this hypothesis test?     z-score test     single-sample t-test     independent samples t-test     related-samples t-test

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