'tend to maintain higher grade point averages' seems to point to the grades received after entering the university, while point D talks about grades before entering. For D to be correct 2nd assumption needs to hold true, that, people with high grades before Univ will also get higher (on average) post entering Univ...
Statistics : Posted by trovo • on 16 May 2024, 01:30 • Replies 7 • Views 1287
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