Computer ownership promotes health and long life, probably dueto the greater acc
ID: 2913662 • Letter: C
Question
Computer ownership promotes health and long life, probably dueto the greater access that computer owners have to healthinformation on the world-wide web.
Clearly, there must be some as-yet unknown health benefitassociated with using computers.
Persons who live longer buy more computers over the course oftheir longer lifetimes.
Although the association is strong, computer ownership probablydoes not promote longevity. Instead, national per capita wealth isprobably a lurking variable that drives both life expectancy andcomputer ownership.
Exposure to the radiation from computer monitors is causing aclear decline in life expectancy.
Answer the question.
The figure below examines the association betweenlife expectancy and computer ownership for several countries. Alsoshown are the equation and R2 value from a linearregression analysis. What is the best conclusion to draw from thefigure?
Computer ownership promotes health and long life, probably dueto the greater access that computer owners have to healthinformation on the world-wide web.
Clearly, there must be some as-yet unknown health benefitassociated with using computers.
Persons who live longer buy more computers over the course oftheir longer lifetimes.
Although the association is strong, computer ownership probablydoes not promote longevity. Instead, national per capita wealth isprobably a lurking variable that drives both life expectancy andcomputer ownership.
Exposure to the radiation from computer monitors is causing aclear decline in life expectancy.
Explanation / Answer
The best conclusion to draw from the figure is, Although the association is strong, computer ownershipprobably does not promote longevity. Instead, national per capitawealth is probably a lurking variable that drives both lifeexpectancy and computer ownership.Related Questions
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