TeX source:

\begin{array}{c|ccccccc}\bar{x} & 152 & 154 & 156 & 158 & 160 & 162 & 164 \\\hline P(\bar{x}) & \frac{1}{16} & \frac{2}{16} & \frac{3}{16} & \frac{4}{16} & \frac{3}{16} & \frac{2}{16} & \frac{1}{16}\end{array}