Mathematical Reasoning Questions

Question 15 of 20 (1 point) | Question Attempt: 1 of 1
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114
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Español
20
A EL
(a) A bank analyst wants to ask customers who have a mortgage with the bank about the customers' home-buying experiences. Which of the following
b

Math

Mathematical Reasoning

Question 15 of 20 (1 point) | Question Attempt: 1 of 1 7 = 8 9 10 11 12 13 114 15 16 17 18 19 Español 20 A EL (a) A bank analyst wants to ask customers who have a mortgage with the bank about the customers' home-buying experiences. Which of the following best describes a stratified sample of customers? The analyst forms groups of 20 customers based on the cities the customers live in. Then, she selects all of the customers in 4 randomly chosen groups. The analyst forms 4 groups of customers based on the customers' mortgage amounts. Then, she selects 20 customers at random from each group. The analyst uses a computer program to draw 80 customers at random and selects these customers. Every set of 80 customers is equally likely to be drawn by the computer program. o (b) Counselors at a college want to poll students about how much time the students spend studying. Which of the following best describes a systematic sample of students? O The students living in a particular dorm building on campus are easily accessible. So, the counselors select the 54 students living in that particular dorm building. The counselors form 6 groups of students based on the numbers of classes the students are taking. Then, the counselors select 9 students at random from each group. The counselors take a list of the students and select every student until 54 students are selected. 6th (C) The organizers of a conference want to survey attendees about the registration fee. Which of the following best describes a random sample of attendees? The organizers assign each attendee a different number. Using a random number table, the organizers draw 50 of those numbers at random. Then, the organizers select the attendees assigned to the drawn numbers. Every set of 50 attendees is equally likely to be drawn using the random number table. The organizers form groups of 10 attendees based on the day the attendees registered. Then, the organizers randomly choose 5 groups and select all of the attendees in these groups. The organizers take a list of the attendees and select every 5th attendee until 50 attendees are selected. O x

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