Feat: add stats/base/ndarray/dvariancepn #35221

Job	Run time
Rebase this PR on top of develop branch	0s
Auto-fix lint errors	0s
Remove in-progress label	0s
Update copyright header years	-6s
Manage labels	-8s
Check for required files	-9s
Merge changes from develop branch into this PR	-10s
	-33s

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