The spot speeds (expressed in $\mathrm{km} / \mathrm{hr}$ ) observed at a road section are $66,62,45,79,32,51,56,60,$ $53,$ and $49 .$ The median speed (expressed in $\mathrm{km} / \mathrm{hr}$ ) is
The spot speeds (expressed in $\mathrm{km} / \mathrm{hr}$ ) observed at a road section are $66,62,45,79,32,51,56,60,$ $53,$ and $49 .$ The median speed (expressed in $\mathrm{km} / \mathrm{hr}$ ) is