List the characteristics (a)-(f) on the basis of the brief description of the survey shown below. In one of its issues, a magazine asked all of its readers to participate in a survey of their satisfaction with different brands of computer systems and peripherals. In the 2004 survey, more than 7,000 readers rated the products on a scale from 1 to 10. The magazine reported that the average rating assigned by 250 readers to a certai graphing calculator was 6.5. 7,000 V 250 6.5 The sample size is unknown. (e) Identify the sampling design, including whether randomization was employed. Choose the correct answer below. O simple random sampling O stratified sampling, random not specified O voluntary response, not random (f) Identify any potential sources of bias or other problems with the survey or sample. Select all that apply. O A. Nonresponse bias is possible, because it is very unlikely that everyone who saw the survey responded to it. O B. Voluntary response bias is possible, because it is likely that only those people with strong opinions about the product would answer the survey. O C. Convenience sampling bias is possible, because only people who own the graphing calculator were counted. O D. There is no indication of bias.
List the characteristics (a)-(f) on the basis of the brief description of the survey shown below. In one of its issues, a magazine asked all of its readers to participate in a survey of their satisfaction with different brands of computer systems and peripherals. In the 2004 survey, more than 7,000 readers rated the products on a scale from 1 to 10. The magazine reported that the average rating assigned by 250 readers to a certai graphing calculator was 6.5. 7,000 V 250 6.5 The sample size is unknown. (e) Identify the sampling design, including whether randomization was employed. Choose the correct answer below. O simple random sampling O stratified sampling, random not specified O voluntary response, not random (f) Identify any potential sources of bias or other problems with the survey or sample. Select all that apply. O A. Nonresponse bias is possible, because it is very unlikely that everyone who saw the survey responded to it. O B. Voluntary response bias is possible, because it is likely that only those people with strong opinions about the product would answer the survey. O C. Convenience sampling bias is possible, because only people who own the graphing calculator were counted. O D. There is no indication of bias.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Only f answer please
Transcribed Image Text:List the characteristics (a)-(f) on the basis of the brief description of the survey shown below.
In one of its issues, a magazine asked all of its readers to participate in a survey of their satisfaction with different brands of computer systems and peripherals. In the
2004 survey, more than 7,000 readers rated the products on a scale from 1 to 10. The magazine reported that the average rating assigned by 250 readers to a certair
graphing calculator was 6.5.
7,000
O 250
6.5
The sample size is unknown.
(e) Identify the sampling design, including whether randomization was employed. Choose the correct answer below.
O simple random sampling
stratified sampling, random
not specified
voluntary response, not random
(f) Identify any potential sources of bias or other problems with the survey or sample. Select all that apply.
O A. Nonresponse bias is possible, because it is very unlikely that everyone who saw the survey responded to it.
O B. Voluntary response bias is possible, because it is likely that only those people with strong opinions about the product would answer the survey.
O C. Convenience sampling bias is possible, because only people who own the graphing calculator were counted.
O D. There is no indication of bias.
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