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. a. b. C. Compute the coefficient of correlation. 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. a. The covariance is (Round to the nearest integer as needed.) Get more help Table of GDP and social media usage GDP (PPP) Social Media Usage (%) 7,287 86 18,181 87 5,094 87 9,997 86 5,909 83 6,661 82 13,849 82 4,012 82 15,818 77 4,518 76 16,382 77 19,902 72 18,194 73 3,402 71 19,517 76 8,033 72 4,175 74 13,387 71 16,911 68 6.736 71

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 3CYU
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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.
a.
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.
Table of GDP and social media usage
a. The covariance is
(Round to the nearest integer as needed.)
GDP (PPP) Social Media Usage (%)
7,287
86
18,181
87
5,094
87
9,997
86
5,909
83
6,661
82
13,849
82
4,012
82
15,818
4,518
16,382
19,902
18,194
3,402
19,517
8,033
4,175
13,387
16,911
Get more help
6,736
FOTECTONITOR
77
76
77
72
73
71
76
72
74
71
68
71
Transcribed Image Text: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. a. 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. Table of GDP and social media usage a. The covariance is (Round to the nearest integer as needed.) GDP (PPP) Social Media Usage (%) 7,287 86 18,181 87 5,094 87 9,997 86 5,909 83 6,661 82 13,849 82 4,012 82 15,818 4,518 16,382 19,902 18,194 3,402 19,517 8,033 4,175 13,387 16,911 Get more help 6,736 FOTECTONITOR 77 76 77 72 73 71 76 72 74 71 68 71
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