The following scatterplot was created as part of a study evaluating the relationship between estimated life expectancy
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The following scatterplot was created as part of a study evaluating the relationship between estimated life expectancy at birth (as of 2014) and percentage of internet users (as of 2009) in 208 countries for which such data were available.
(a) Describe the relationship between life expectancy and percentage of internet users.
(b) What type of study is this?
(c) State a possible confounding variable that might explain this relationship and describe its potential effect.
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Related Book For
Introductory Statistics For The Life And Biomedical Sciences
ISBN: 9781943450121
1st Edition
Authors: Julie Vu, David Harrington
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