A survey of the world\'s nations in 2010 shows a very strong positive correlatio

Question

A survey of the world's nations in 2010 shows a very strong positive correlation between percentage of the country having broadband Internet access and life expectancy in years at birth. Explain why even though there is a very strong positive correlation, that does NOT mean that broadband internet access is necessarily good for your health. (Circle the best choice) Having Internet access won't help you live longer necessarily. Some people with the Internet die very young. People can look up their symptoms on the Internet. By doing this, people can find out if they are sick, go to the doctor, get better and love longer. There are lurking variables that affect life expectancy such as what they eat, how much they exercise, etc. There are lurking variables that affect both life expectancy and Internet access such as the country's wealth, access to electricity, etc. There are lurking variables such as may be some people are just healthy that use the Internet. There are lurking variables in the data such as technology is improving. The improved information from the Internet might be a good resource for doctors, making the medical information and choices they need to make more updated, etc.

Explanation / Answer

d. Option d is the correct one.

Lurking variables are those variables that cause two different variables which necessarily need not be correlated) to have strong correlation between them

All other options are wrong or not correct in some way or the other.

But countr's welath, access to electricity bothe have correlation with life expectancy and internet access at the same time

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