Question

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.

QUESTIONS:

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 (%)
6930	87
18054	86
5060	87
10162	84
5929	81
6533	82
13809	83
4002	81
15939	77
4638	77
16369	75
19918	72
18170	73
3433	71
19430	74
8001	72
3838	72
13406	73
16803	72
6485	72
6382	69
6342	67
12885	64
11136	47

a. The covariance is __

​(Round to the nearest integer as​ needed.)

Answer 1