data sample1; infile 'example2.dat'; input caseid 1-4 mathsat 6-8 score 10-11 sex $ 13 teach 15 format sex $fsex.; label caseid='Subject Number' mathsat='SAT Math Score' score='Final Calculus Score' sex='Sex of Participant' teach='Student Rated Teaching Ability'; proc freq data=sample1; tables sex teach; run; What is the mistake?
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