AIDS education program,

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
As part of an AIDS education program, 120 intravenous drug users
seronegative for HIV (Human Immunodeficiency Virus) in the first
screening were given instructions on sterilizing their needles with bleach
and practicing “safe sex". One year after the program's inception, a
sample of 30 of these subjects was taken by numbering the participants
from 1 to 120 and taking all subjects whose numbers are divisible by 4
(e.g., 4, 8, 12, etc.).
(i)
What are the sampling frame in this sample design?
(ii)
What are the sampling units in this sample design?
Does each person in the population have an equal chance of being
selected in the sample?
(iii)
(iv)
What kind of sampling technique used in this study?
Transcribed Image Text:As part of an AIDS education program, 120 intravenous drug users seronegative for HIV (Human Immunodeficiency Virus) in the first screening were given instructions on sterilizing their needles with bleach and practicing “safe sex". One year after the program's inception, a sample of 30 of these subjects was taken by numbering the participants from 1 to 120 and taking all subjects whose numbers are divisible by 4 (e.g., 4, 8, 12, etc.). (i) What are the sampling frame in this sample design? (ii) What are the sampling units in this sample design? Does each person in the population have an equal chance of being selected in the sample? (iii) (iv) What kind of sampling technique used in this study?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman