An argument states: "Since most students at University X who attend daily study groups achieve high grades, attending daily study groups must be the primary cause of high academic performance for all university students." What is a key unstated assumption in this argument?

The correct answer to the question "An argument states: "Since most students at University X who attend daily study groups achieve high grades, attending daily study groups must be the primary cause of high academic performance for all university students." What is a key unstated assumption in this argument?" is Option A: University X students are representative of all university students..

The other options — B) High grades are the only measure of academic performance., C) Daily study groups are the only available study method., D) The university mandates daily study group attendance. — are incorrect for this GRE Exam Prep question. As explained above: The argument extrapolates findings from a specific group (University X students) to a much broader population (all university students) without establishing that the specific group is representative.…