ain Your answer is incorrect (a) The organizers of a conference want to survey attendees about the registration fee. Which of the following best describes a convenience sample of attendees? O The organizers form groups of 8 attendees based on the day the attendees registered. Then, the organizers randomly choose 9 groups and select all of the attendees in these groups. Aa O The organizers select the first 72 attendees who register for the conference because these attendees are easily accessible. O The organizers take a list of the attendees and select every 3 attendee until 72 attendees are selected. rd (b) Counselors at a college want to poll students about how much time the students spend studying. Which of the following best describes a random sample of students? O The counselors use a computer program to draw 50 students at random and select these students. Every set of 50 students is equally likely to be drawn by the computer program. The counselors form 2 groups of students based on the numbers of classes the students are taking. Then, the counselors select 25 students at random from each group. O The students living in a particular dorm building on campus are easily accessible. So, the counselors select the 50 students living in that particular dorm building. (c) A facilities supervisor at a sports stadium wants to rate the condition of the seats at the stadium. Which of the following best describes a systematic sample of seats? The supervisor forms 6 groups of seats based on the dates the seats were last replaced. Then, she selects 9 seats at random from each group. The supervisor uses a computer program to draw 54 seats at random and selects these seats. Every set of 54 seats is equally likely to be drawn by the computer program. th O The supervisor takes a list of the seats and selects every 6 seat until 54 seats are selected. Activate Win Go to Settings to Explanation Recheck 2020 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility e here to search