Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at the 0.005 significance level. The null and alternative hypothesis would be: O Ho: PN PD H₁: PN #PD Ο Ηo:μ. Σ με H₁ UND O HO UN : H₁: UN D D Ho: PN PD H₁: PN > PD O Ho: PNZ PD H₁: PN PD OHO: UN HD H₁: UN > D

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