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.

a.	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?

GDP(PPP)	Social Media Usage(%)
6,808	89
17,837	86
5,191	86
10,064	85
5,861	84
6,510	83
14,019	83
3,858	80
15,936	79
4,345	75
16,320	77
19,857	71
18,093	74
3,392	74
19,456	76
7,820	72
3,923	73
13,680	70
16,890	66
6,622	71
6,575	68
6,505	70
13,182	61
11,109	49