Ashar, VGWallace, Dudley2010-03-092010-03-091972https://hdl.handle.net/10161/2124"Inl statistical inference proper, the model is never questioned. . . . The methods of mathematical statistics do not provide us with a means of specifying the model." 1 Few would question the profundity of the above quotes. Yet in practice the methodological dictum contained therein is invariably violated.213396 bytesapplication/pdfen-USSequential EstimatorJournal article