$\backslash$table$[[$Height$,$HandSpan$],[68,21\mathrm{.}5],[64,18],[59,20],[65,21],[69,20\mathrm{.}5],[64,18\mathrm{.}5],[67,21],[67,19\mathrm{.}5],[62,20],[64,18\mathrm{.}5],[66,20\mathrm{.}5],[64,18\mathrm{.}5],[67,18],[60,19\mathrm{.}5],[64,21],[67,20],[67,20],[66,19],[62,17]]$

A pair of height and handspan measurements is given for $19$ students. Create a scatter plot and fit a trend line for this data.