Question To test the hypothesis in Exercise1,the admissions counselors select a random sample of freshmen and compare their scores on the SAT to those of the population of upper classmen. They find that the fresh men do in fact have a higher mean SAT score . However , what they are unaware of is that the sample of freshmen was not representative of all freshmen at Brainy University .In fact ,the sample over-represented those with high scores and underrepresented those with low scores .What type of error (Type I or Type I I)did the counselors make?
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