(14)Datos: 15 , 13 , 12 , 14 , 15 , 14 , 13 , 15 , 13 , 12 , 14 , 13 , 15 , 15

$$ \begin{array}{c|c|c}x_i & f_i & \%\\ \hline12 & 2& \frac{2}{14} \longrightarrow 14.3\% \\ 13 & 4& \frac{4}{14} \longrightarrow 28.6\% \\ 14 & 3& \frac{3}{14} \longrightarrow 21.4\% \\ 15 & 5& \frac{5}{14} \longrightarrow 35.7\% \\ \hline & N=14& \end{array} $$ matematicasies.com