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a) The organizers of a conference want to survey attendees about the registration fee. Which of the following best describes a cluster sample of attendees?

a) The organizers of a conference want to survey attendees about the registration fee. Which of the following best describes a cluster sample of attendees?

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 74E: Lottery Powerball is a lottery game that is operated by the Multi-State Lottery Association and is...
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(a) The organizers of a conference want to survey attendees about the registration fee. Which of the following best describes a cluster sample of attendees? The organizers select the first 90 attendees who register for the conference because these attendees are easily accessible. The organizers form groups of 30 attendees based on the day the attendees registered. Then, the organizers randomly choose 3 groups and select all of the attendees in these groups. The organizers take a list of the attendees and select every 5" attendee until 90 attendees are selected. (b) Counselors at a college want to poll students about how much time the students spend studying. Which of the following best describes a stratified sample of students? The counselors form 6 groups of students based on the numbers of classes the students are taking. Then, the counselors select 13 students at random from each group. The students living in a particular dorm building on campus are easily accessible. So, the counselors select the 78 students living in that particular dorm building. The counselors form groups of 13 students based on the students' majors. Then, the counselors select all of the students in 6 randomly chosen groups. (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 uses a computer program to draw 50 seats at random and selects these seats. Every set of 50 seats is equally likely to be drawn by the computer program. The supervisor forms 2 groups of seats based on the dates the seats were last replaced. Then, she selects 25 seats at random from each group. th The supervisor takes a list of the seats and selects every 5" seat until 50 seats are selected.
Transcribed Image Text:(a) The organizers of a conference want to survey attendees about the registration fee. Which of the following best describes a cluster sample of attendees? The organizers select the first 90 attendees who register for the conference because these attendees are easily accessible. The organizers form groups of 30 attendees based on the day the attendees registered. Then, the organizers randomly choose 3 groups and select all of the attendees in these groups. The organizers take a list of the attendees and select every 5" attendee until 90 attendees are selected. (b) Counselors at a college want to poll students about how much time the students spend studying. Which of the following best describes a stratified sample of students? The counselors form 6 groups of students based on the numbers of classes the students are taking. Then, the counselors select 13 students at random from each group. The students living in a particular dorm building on campus are easily accessible. So, the counselors select the 78 students living in that particular dorm building. The counselors form groups of 13 students based on the students' majors. Then, the counselors select all of the students in 6 randomly chosen groups. (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 uses a computer program to draw 50 seats at random and selects these seats. Every set of 50 seats is equally likely to be drawn by the computer program. The supervisor forms 2 groups of seats based on the dates the seats were last replaced. Then, she selects 25 seats at random from each group. th The supervisor takes a list of the seats and selects every 5" seat until 50 seats are selected.
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