The following data relate to the percentage unemployment and percentage change in wages over several years. % Unemployment % Change in wages (y) (x) 1.6 5.0 2.2 3.2 2.3 2.7 1.7 2.1 1.6 4.1 2.1 2.7 2.6 2.9 1.7 4.6 1.5 3.5 1.6 4.4 (a) Calculate the product-moment correlation cocfficient between x and y. (Use Ex = 18.9, Ey = 35.2, Ex? =37.01, Ey? = 132.22, Exy = 64.7)
The following data relate to the percentage unemployment and percentage change in wages over several years. % Unemployment % Change in wages (y) (x) 1.6 5.0 2.2 3.2 2.3 2.7 1.7 2.1 1.6 4.1 2.1 2.7 2.6 2.9 1.7 4.6 1.5 3.5 1.6 4.4 (a) Calculate the product-moment correlation cocfficient between x and y. (Use Ex = 18.9, Ey = 35.2, Ex? =37.01, Ey? = 132.22, Exy = 64.7)
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 23PFA
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