1.12 Internet use and life expectancy. The scatterplot below shows the relationship between estimated life expectancy at

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1 12 Internet Use And Life Expectancy The Scatterplot Below Shows The Relationship Between Estimated Life Expectancy At 1 (24.58 KiB) Viewed 125 times

1.12 Internet use and life expectancy. The scatterplot below shows the relationship between estimated life expectancy at birth as of 2012 and percentage of internet users in 2010 in 208 countries. 90 (a) Describe the relationship between life expectancy and percentage of internet 80 (b) What type of study is this? (c) State a possible confounding variable that might explain this relationship and describe its potential effect. users. Life expectancy 70 50 80 20 40 60 % Internet users