Question

A survey by the Pew Research Center found that social networking is popular in many nations around the world. The file GlobalSocialMedia contains the level of social media networking (measured as the percent of individuals polled who use social networking sites) and the GDP per capita based on purchasing power parity (PP) for each of 24 selected countries. (Data extracted from “ Emerging Nations Embrace Internet, Mobile Technology,” bit. ly/ 1hL6JKA.)
a. Compute and interpret the coefficient of correlation, r.
b. At the 0.05 level of significance, is there a significant linear relationship between GDP and social media usage?
c. What conclusions can you reach about the relationship between GDP and social media usage?


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  • CreatedJuly 16, 2015
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