For the 32 nations in the Internet Use data file on the book€™s website, consider the following correlations:

a. Which pair of variables exhibits the strongest linear relationship?
b. Which pair of variables exhibits the weakest linear relationship?
c. In Example 7, we found the correlation between Internet use and Facebook use (measured in percentages of the population) to be 0.614. Why does the correlation between total number of Internet users and Facebook users differ from that of Internet use and Facebook use?

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Variable 1 Variable 2 Correlation Internet users Facebook users 0.293 0.974 Internet users Broadband subscribers Internet users Population 0.834 Facebook users Broadband subscribers 0.281 Facebook users Population Population 0.234 Broadband subscribers 0.704