2*(log(11.5/3)+(3-11.5)/11.5+log(11.5/7)+(7-11.5)/11.5+
                          log(11.5/11)+(11-11.5)/11.5+(log(11.5/25)+(25-11.5)/11.5))

d<-c(3,7,11,25)
glm(d~1,family=Gamma)

