2, Hallar la moda e identificar la clase de moda es.
A, 5, 6, 7, 2, 5, 2, 5, 5, 1,5
B, 7,2 3, 7,6 7, 4, 5, 7, 2
C, 6, 7, 3, 6, 6, 3, 5, 6, 3, 7, 3, 7, 6, 7, 3, 2, 7, 3, 6, 7
D, 4, 3, 4, 2, 8, 6, 4, 5, 7, 4