A psychologist is studying the sleep patterns of the 3000 students at her university. She decides to start by asking a random sample of 30 students how many hours of sleep they get weekday nights. Identify (name) the type of sampling method in each of the scenarios: a) The psychologist assigns each student a number from 1 to 3000. She selects the sample by randomly choosing one of the rst 132 numbers and every 132nd number thereafter. [ Select] V b) The psychologist assigns each student a number from 0001 to 3000 and uses a computer to randomly generate a list of 30 numbers to select the students for the sample. [ Select] V c) Students are listed by the neighborhood they live in. The psychologist randomly selects six neighborhoods and then from each neighborhood selects 5 students. [ Select] V