Superpopulation model is a bridge between survey sampling and other branches of statistics.It is helpful to study sampling theory with the tool of superpopulation models.
According to the nature of two-dimensional biharmonic equations,this paper obtains a polynomial solution of the biharmonic equation for stress function by means of the MATHEMATICA software.
Amid this web of financial challenges, councils are facing up to the uncomfortable truth that for many years, the books have been balanced on the backs of women.
She then discerned, by the aid of the dusky departing light, a figure, whose sex was undistinguishable, walking down the gravelled path by the parterre towards the river.
A gramophone, by the help of suitable records, might relate to us the incidents of its past; and people are not so different from gramophones as they like to believe.