What is the value of the correlation coefficent, r? Is the strength of the linear relationship strong, moderately strong, somewhat weak or very weak?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 8E
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What is the value of the correlation coefficent, r? Is the strength of the linear relationship strong, moderately strong, somewhat weak or very weak?

78
U.S. Male Life Expectancy at Birth
76
74
72
70
y 0.205x - 336
R = 0.981
68
66
64
1950
1960
1970
1980
1990
2000
2010
2020
Birth Year
Life Expectancy (in years)
Transcribed Image Text:78 U.S. Male Life Expectancy at Birth 76 74 72 70 y 0.205x - 336 R = 0.981 68 66 64 1950 1960 1970 1980 1990 2000 2010 2020 Birth Year Life Expectancy (in years)
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