Find an example of a randomized experiment from a newspaper, journal, the Internet, or some other media.
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Find an example of a randomized experiment from a newspaper, journal, the Internet, or some other media.
a. Identify the explanatory and response variables.
b. What were the treatments? What were the experimental units?
c. How were the experimental units assigned to the treatments?
d. Can you identify any potential sources of bias? Explain.
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Solution a The study was an experiment in which the researchers randomly assigned participants to ei...View the full answer
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321997838
4th Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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