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15. A criminologist was interested in whether there was any disparity in sentencing based on the race of the defendant. She selected at random 18 burglary convictions and compared the prison terms given to the 10 whites and 8 blacks sampled. The sentence lengths (in years) are shown for the white and black offenders. Using these data, test the null hypothesis that support for he whites and blacks convicted of burglary in this jurisdiction do not differ with respect to and 35 conser prison sentence length. Whites Blacks the difference