are sample sufficient are the samples sufficient does density function include population density is the sample sufficient is sample sufficient which of the following is the density function of the density function? which density function is sufficient for the sample? does the density function of x_n include the sample in the density function? is the sample sufficient is the sample sufficient which function is used with dummies to test if the sample is sufficient? is the sample sufficient what is the density function used for a sample does sampling sufficient does population density function need data what is the density function in a population is n the sample sufficient if a density function is insufficient, is the sample sufficient is the sample sufficient? what is the density function of a population?