Of the 5000 surveys, 14 % were returned. This response rate (Round to the nearest whole number as needed.) appears to be low.
Of the 5000 surveys, 14 % were returned. This response rate (Round to the nearest whole number as needed.) appears to be low.
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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Question
Why is 14% of the questionnaires returned, which means the response rate is low?

Transcribed Image Text:A study of an association between which ear is used for cell phone calls and whether the subject is left-handed or right-handed began with a survey e-mailed to 5000 people belonging to an otology
online group, and 717 surveys were returned. (Otology relates to the ear and hearing.) What percentage of the 5000 surveys were returned? Does that response rate appear to be low? In general, what is
a problem with a very low response rate?
Of the 5000 surveys, 14 % were returned. This response rate
(Round to the nearest whole number as needed.)
What is a problem with a very low response rate?
appears
to be low.
A. It indicates a lack of blinding which creates a serious potential for getting a biased sample.
B. It creates a serious potential for getting a biased sample that consists of those with a special interest in the topic.
C.
It creates a serious potential for confounding which creates a serious potential for erroneous conclusions.
D.
It does not allow for sufficient replication to produce a random sample.
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