Question

a. The accompanying data table shows the level of social media networking (measured as the percent of individuals polled who use social networking sites) and the GDP at purchasing power parity (PPP) per capita for each of 24 selected countries. Compute the covariance. b. Compute the coefficient of correlation. c. Based on parts (a) and (b), what conclusions can be reached about the relationship between the GDP and social media use? Click the icon to view the table of the countries' GDP and social media usage. 0 Table of GDP and social media usage - X a. The covariance is (Round to the nearest integer as needed.) GDP (PPP) Social Media Usage (%) 7,014 18,093 5,141 10,051 6,022 6,523 13,895 3,838 16,102 4,646 16,660 19,882 18,141 3,451 19,693 8,138 3,897 13,374 16,852 6,492 6,309 6,412 13,083 11,018 Enter your answer in the answer box and then click Check Answer.

Answer 1

From the given information,

By using Excel,

a.

Covariance= -4401

b.

Correlation coefficient= -0.0915

c.

There is very weak negative relationship between the variables GDP and social media use.

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