Question

independent practice
a study uses statistical methods to conclude that there is an association between electrical usage and the number of light bulbs in a home. the study then concludes that removing light bulbs from your home will reduce your electrical bill. what is wrong with the reported results of the survey?
a. the relationship between two variables implies one causes the other.
b. results are based on a missing sample data.
c. this is a self - interest study.
d. the study included loaded questions.
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independent practice multiple choice text version
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Explanation:

Just because there is an association (correlation) between electrical usage and the number of light - bulbs does not mean that one causes the other. Correlation does not imply causation.

Answer:

A. The relationship between two variables implies one causes the other.