Read information from a labelled data matrix
The matrix below is \(N\), which records the points scored by members of a swimming squad at a series of meets: one row for each swimmer and one column for each meet
Rows, in order: Lachlan, Mia, Noah
Columns, in order: Meet 1, Meet 2, Meet 3
\[N = \begin{bmatrix} 6 & 6 & 11 \\ 8 & 2 & 11 \\ 11 & 12 & 6 \end{bmatrix}\]