Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a​ scatterplot, find the value of the linear correlation coefficient​ r, and find the​ P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of a=0.01.Internet Users (Per 100)    Award Winners (Per 10 Million) 78.6    5.6 79.4    9.4 56.8    3.3 66.4    1.7 77.5    11.1 38.0    0.1 The linear correlation coefficient is r (Round to three decimal places as​ needed.) The test statistic is (Round to two decimal places as​ needed.) The P-value is (Round to three decimal places as​ needed.)

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 15PPS
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Listed below are numbers of Internet users per 100 people and numbers of scientific award winners per 10 million people for different countries. Construct a​ scatterplot, find the value of the linear correlation coefficient​ r, and find the​ P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of a=0.01.Internet Users (Per 100)    Award Winners (Per 10 Million)
78.6    5.6
79.4    9.4
56.8    3.3
66.4    1.7
77.5    11.1
38.0    0.1 The linear correlation coefficient is r (Round to three decimal places as​ needed.) The test statistic is (Round to two decimal places as​ needed.) The P-value is (Round to three decimal places as​ needed.)

 

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