MAINT: stats: don't check for NaNs unless dtype warrants it
MAINT: stats: don't check for NaNs unless dtype warrants it

mdhaber/scipy,ilayn/scipy,andyfaff/scipy,andyfaff/scipy,ilayn/scipy,anntzer/scipy,andyfaff/scipy,Stefan-Endres/scipy,mdhaber/scipy,endolith/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,andyfaff/scipy,scipy/scipy,rgommers/scipy,mdhaber/scipy,endolith/scipy,perimosocordiae/scipy,andyfaff/scipy,scipy/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,andyfaff/scipy,scipy/scipy,mdhaber/scipy,Stefan-Endres/scipy,endolith/scipy,endolith/scipy,anntzer/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,endolith/scipy,ilayn/scipy,rgommers/scipy,endolith/scipy,anntzer/scipy,scipy/scipy,scipy/scipy,perimosocordiae/scipy,anntzer/scipy,scipy/scipy,ilayn/scipy,mdhaber/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,rgommers/scipy,anntzer/scipy,WarrenWeckesser/scipy,rgommers/scipy,ilayn/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,mdhaber/scipy,WarrenWeckesser/scipy,rgommers/scipy,anntzer/scipy,ilayn/scipy,Stefan-Endres/scipy