**Figure 1** - The heights (at the shoulders) are: 600mm, 470mm, 170mm, 430mm and 300mm.

Images taken from http://www.mathsisfun.com/data/standard-deviation.html

**Figure 2** - The population mean (green) plotted on our graph.

**Figure 3** - Difference between each height and the mean.

\n",
"\n",
"

\n",
"**Figure 4** - Standard deviation (purple) plotted on our graph.