Re: Problemi tabella

`\documentclass{article}
\usepackage{booktabs,amsmath}
\begin{document}
\[
\begin{array}{ccc}
\toprule
\text{Livelli} & \text{Frequenze} & \text{Campioni} \\
\midrule
3 & \bigg[0,\dfrac{f_n}{8}\biggr] & 4 \\[3ex]
3 & \bigg[\dfrac{f_n}{8}, \dfrac{f_n}{4}\biggr] & 4 \\[3ex]
2 & \bigg[\dfrac{f_n}{4}, \dfrac{f_n}{2}\biggr] & 8 \\[3ex]
1 & \bigg[\dfrac{f_n}{4}, f_n\biggr] & 16 \\
\bottomrule
\end{array}
\]
\end{document}`
Studia le tabelle nell’Arte, quassù.

Ciao,
L.