\left(\begin{array}{ccc}0 & 2 & 3\\ -2 & 0 & -4\\ -3 & 4 & 0\end{array}\right).
I hung up that picture, but it looks skew-whiff to me.
If you mean ‘picturesque’ I’d say that you are quite right.
A disproportionate number of female subjects in the study group skewed the results.