You have been hired by the National Election Commission to examine how the American people feel about the fairness of the voting procedures in the U.S. Then you randomly sample from each of those subg...You have been hired by the National Election Commission to examine how the American people feel about the fairness of the voting procedures in the U.S. Then you randomly sample from each of those subgroups in such a way that the sizes of the subgroups in the sample are proportional to their sizes in the population. The proportion of day students in the sample and in the population (the entire university) would be the same.