Created by manuel-2de-indice2019
Created on October 14, 2019
240 Bytes
from math import sqrt def fonction(x1,n1,x2,n2,x3,n3): n = n1+n2+n3 m = (n1*x1+n2*x2+n3*x3)/n v = (n1*(x1-m)**2+n2*(x2-m)**2+n3*(x3-m)**2)/n e = sqrt(v) return(m,e) print(fonction(2,11,4,16,6,13))