docs: improve doctests for ndarray instances in stats/base/ndarray/scumaxabs#11536

kgryte merged 3 commits intostdlib-js:developstdlib-js/stdlib:developfrom

udaykakade25:DoctestStatsBaseNdarrayScumaxabsudaykakade25/stdlib:DoctestStatsBaseNdarrayScumaxabsCopy head branch name to clipboard