medium · GMAT Verbal
A study found that students who participated in a dedicated music program scored 10% higher on standardized mathematics tests than students who did not. Therefore, learning to play a musical instrument improves a student's mathematical ability.
Which of the following, if true, most strengthens the argument?
- Students in the music program and the control group had similar initial math scores before the study began.
- Many famous mathematicians in history were also accomplished musicians.
- The standardized mathematics tests used in the study were designed by a reputable educational organization.
- Music programs are far more expensive for schools to run than supplementary math tutoring is.
- Some students who did not participate in the music program also scored very high on the math tests.
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