Cellular telephones and life expectancy. A survey ofthe
Chapter 7, Problem 26(choose chapter or problem)
Cellular telephones and life expectancy. A survey ofthe worlds nations in 2004 shows a strong positive corre-lation between percentage of the country using cellphones and life expectancy in years at birth.a) Does this mean that cell phones are good for yourhealth?b) What might explain the strong correlation?
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