Which choice best describes a simple random sample? when a population is first sorted into comparable groups, groups are randomly chosen, and all of the individuals from those groups are chosen O a selection of members chosen from a population beginning at a random point and then chosen at set intervals from that point a selection of members from a population in such a way that every possible sample of the same size has an equal chance of being chosen when a population is first sorted into groups that share a similar characteristic and individuals are randomly chosen from each of the groups O a selection of members of a population chosen because of their convenient accessibility and proximity