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10. From a partially destroyed lab data, following results Lines of regression are: were retrieved: 8x 10y - 66 and 18y = 40x-214, ox = 3 %3D Find x,7, o, and r for the existing data.

10. From a partially destroyed lab data, following results Lines of regression are: were retrieved: 8x 10y - 66 and 18y = 40x-214, ox = 3 %3D Find x,7, o, and r for the existing data.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Please answer number 10. The answer is x=13, y=17 o=4, r=0.6 , but I need solutions. Thanks
8. The regression equations of two variables x and y are x = y = 0.3x +2.8. Find the means of the two variables and the coefficient of 0.7y + 5.2, correlation between them. 9. If the coefficient of correlation between two variables x and y is 0.5 and the acute angle between their lines of regression is tan-1 3 2, show that ox = 8 dy 2+v3 lab data, following results retrieved: were 10. From a partially destroyed Lines of regression are: 8x = 10y - 66 and 18y = 40x-214, ox = 3 %3D Find x,y, o, and r for the existing data.
Transcribed Image Text:8. The regression equations of two variables x and y are x = y = 0.3x +2.8. Find the means of the two variables and the coefficient of 0.7y + 5.2, correlation between them. 9. If the coefficient of correlation between two variables x and y is 0.5 and the acute angle between their lines of regression is tan-1 3 2, show that ox = 8 dy 2+v3 lab data, following results retrieved: were 10. From a partially destroyed Lines of regression are: 8x = 10y - 66 and 18y = 40x-214, ox = 3 %3D Find x,y, o, and r for the existing data.
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