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The admissions counselors at Brainy University believe that the freshman class they have just recruited is the brightest yet. If they wanted to test this

The admissions counselors at Brainy University believe that the freshman class they have just recruited is the brightest yet. If they wanted to test this belief (that the freshmen are brighter than the other classes), what would the null and alternative hypotheses be? Is this a one- or two-tailed hypothesis test

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