Concept explainers
(a)
To find out which is sampling error and which is non-sampling error and explain.
(a)
Answer to Problem 5.75E
Sampling error.
Explanation of Solution
The telephone directory is used as a sampling frame:
This is an example of sampling error because it is related to how the sample is being conducted.
(b)
To find out which is sampling error and which is non-sampling error and explain.
(b)
Answer to Problem 5.75E
Non-sampling error.
Explanation of Solution
The person cannot be contacted in five calls:
This is an example of non-sampling error because it is related to the collection of data and has nothing to do with the design of the survey.
(c)
To find out which is sampling error and which is non-sampling error and explain.
(c)
Answer to Problem 5.75E
Sampling error.
Explanation of Solution
Interviewers choose people walking by on the sidewalk to interview:
This is an example of sampling error because it is related to how the sample is being conducted.
Chapter 5 Solutions
Statistics Through Applications
Additional Math Textbook Solutions
Elementary Statistics: Picturing the World (6th Edition)
STATS:DATA+MODELS-W/DVD
Introductory Statistics (2nd Edition)
Introductory Statistics
Introductory Statistics
Statistics: The Art and Science of Learning from Data (4th Edition)
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