A college admissions officer is interested in knowing whether there is a difference between males’ and females’ math SAT scores. She collects the following information on the math SAT score, high school grade point average, and sex of 6 students:

Use a dummy variable to test whether there is a difference between the math SAT scores of males and females. Be sure to interpret the results.

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Student 1 23456 Y Math SAT score 620 525 650 550 700 675 X High school GPA 3.10 3.85 3.25 3.89 3.60 4.00 Sex M F M F M F