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The 3147 consulted students were classified considering the sex, year of study and chosen strategy,
originating a contingency table of 10 rows: M1 to M5 and F1 to F5 (the years of education are
from 1 to 5 and sexes are male (M) and female (F)) and 4 columns A, B, C and D.source
Fine, J. (1996), 'Iniciaci�n a los an�lisis de datos multidimensionales a partir de ejemplos',
Notes of course, Montevideo