Question: Your faculty advisor claims that the average GMAT score required to be accepted into top university MBA programs is at least 663. To test this,

Your faculty advisor claims that the average GMAT score required to be accepted into top university MBA programs is at least 663. To test this, you decided to research 27 MBA programs across the United States and found the average GMAT score for accepted applicants to be 634 with a standard deviation of 65. Does your research support or refute your advisor's claim at the 1% level of significance?

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