Question: Statistical signifi cance, II Th e fi nancial aid offi ce of a university asks a sample of students about their employment and earnings. Th

Statistical signifi cance, II Th e fi nancial aid offi ce of a university asks a sample of students about their employment and earnings. Th e report says that “for academic year earnings, a signifi cant diff erence was found between the sexes, with men earning more on the average. No signifi cant diff erence was found between the earnings of black and white students.” Explain the meaning of “a signifi cant diff erence” and “no signifi cant diff erence” in plain language.

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