Update typo in scipy/stats/_hypotests.py
Update typo in scipy/stats/_hypotests.py

Co-authored-by: Pamphile ROY <5382f7c16494af1b573fda9cacaa4290463e84b1@gmail.com>
matthew-brett/scipy,endolith/scipy,scipy/scipy,scipy/scipy,scipy/scipy,tylerjereddy/scipy,andyfaff/scipy,mdhaber/scipy,tylerjereddy/scipy,ilayn/scipy,scipy/scipy,Stefan-Endres/scipy,ilayn/scipy,Eric89GXL/scipy,vigna/scipy,perimosocordiae/scipy,anntzer/scipy,anntzer/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,endolith/scipy,zerothi/scipy,WarrenWeckesser/scipy,tylerjereddy/scipy,rgommers/scipy,e-q/scipy,Eric89GXL/scipy,endolith/scipy,andyfaff/scipy,vigna/scipy,endolith/scipy,mdhaber/scipy,grlee77/scipy,mdhaber/scipy,vigna/scipy,ilayn/scipy,matthew-brett/scipy,endolith/scipy,e-q/scipy,zerothi/scipy,zerothi/scipy,vigna/scipy,scipy/scipy,WarrenWeckesser/scipy,endolith/scipy,vigna/scipy,anntzer/scipy,matthew-brett/scipy,grlee77/scipy,tylerjereddy/scipy,rgommers/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,Stefan-Endres/scipy,zerothi/scipy,Eric89GXL/scipy,zerothi/scipy,mdhaber/scipy,Eric89GXL/scipy,andyfaff/scipy,mdhaber/scipy,anntzer/scipy,matthew-brett/scipy,ilayn/scipy,e-q/scipy,andyfaff/scipy,grlee77/scipy,zerothi/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,ilayn/scipy,tylerjereddy/scipy,grlee77/scipy,anntzer/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,rgommers/scipy,rgommers/scipy,grlee77/scipy,mdhaber/scipy,andyfaff/scipy,perimosocordiae/scipy,matthew-brett/scipy,scipy/scipy,rgommers/scipy,e-q/scipy,perimosocordiae/scipy,perimosocordiae/scipy,Eric89GXL/scipy,andyfaff/scipy,Stefan-Endres/scipy,e-q/scipy,ilayn/scipy,anntzer/scipy