Concept explainers
To find: The statement that is true about the provided case study.
Answer to Problem 11PT
The results are getting affected due to the nonresponse bias.
Explanation of Solution
Given:
A study has been conducted to known the view point of school teachers of American high school regarding the establishment of national proficiency test. For this survey was done by sending mail to 2500 teachers out of which 1347 teachers responded back and only 32% were in favor of test.
Non response bias is a type of bias that occurs when the sample units selected for the survey or experiment do not respond because they are unable, unavailable and unwilling to do so. It generally reduces the
Thus, it could be concluded that survey’s result may get affected due to the nonresponse bias.
Hence, the correct option is (d).
Chapter 4 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Statistics for Psychology
STATS:DATA+MODELS-W/DVD
Elementary Statistics
Statistical Reasoning for Everyday Life (5th Edition)
Intro Stats, Books a la Carte Edition (5th Edition)
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
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