Explain: To choose a sample for a survey of seventh graders, the student council puts pieces of paper with the names of all the seventh graders in a bag, and . . number of trials the probability is pretty well known and more trials are not needed. . Have students brainstorm a few methods for choosing a sample randomly: . Surveys and sampling are natural connections between mathematics and . Students in a seventh grade class are surveyed about their favorite music group. A school randomly chose ten English teachers and asked them which type of . Q. At a middle school, the 7th graders will conduct a survey for where to go on a . Cheryl wants to find the number of hours seventh-graders do homework each week. . Randomly select enough students to get a sample from the population. . Diego took a survey to find out how many students plan to go to a school band . In a statistical study, sampling methods refer to how we select members from the . and encourages customers to participate in a brief survey to learn about their . In this lesson, students use random numbers to select a random sample. . Sample response: The sample size is pretty small, so different samples might be different. . The statistical question is framed to investigate whether seventh graders . interpretive study, the key concept is that the sample is information rich; that is, the . can more easily identify families with children in the first through the seventh grade. . construct whereas the sampling frame is a tool to select the sample. Instead, a sample of the population can be examined, but samples are useful only if they are truly . (1) Four eighth grade students conducted the survey. . (2) Students were randomly surveyed and asked to select five clubs out of 10 that they .