A survey of the world's nations in 2014 shows a strong positive correlation between percentage of the

Question:

A survey of the world's nations in 2014 shows a strong positive correlation between percentage of the country using smart phones and life expectancy in years at birth.
a) Does this mean that smart phones are good for your health?
b) What might explain the strong correlation?
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Stats Data and Models

ISBN: 978-0321986498

4th edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

Question Posted: