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Stats: Data and Models | 4th Edition | ISBN: 9780321986498 | Authors: Richard D. De Veaux, Paul F. Velleman, David E. Bock
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Cell phones and life expectancy The correlation between

Chapter 8, Problem 12E

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Problem 12E

Cell phones and life expectancy The correlation between cell phone usage and life expectancy is very high. Should we buy cell phones to help people live longer?

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QUESTION:

Problem 12E

Cell phones and life expectancy The correlation between cell phone usage and life expectancy is very high. Should we buy cell phones to help people live longer?

ANSWER:

Problem 12E

Cell phones and life expectancy: The correlation between cell phone usage and life expectancy is very high. Should we buy cell phones to help people live longer?

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This is a case of a lurking variable that is not explicitly part of a model but affects the way the variables in the model appear to be related.

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