The table below summarizes x and y values. Find the sample correlation coefficient, rxy using theformula below or by using calculator regressionbetween x and y?Is there a good linear relationshipy2.733.324.440.5Ey.cx; – 3)1i=11/27.229.34E0; – £ (x; – F)²1011.35i=1i=11515.54

The data shows the x and y values to calculate the sample correlation coefficient.

Answered: The table below summarizes x and y…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The data below comprises of the number of hours (X) studied and the exam grade (Y) obtained for 6 first year students registered at UWC. Calculate the correlation coefficient (rounded off to two decimals). X 2 5 1 2 3 3 Y (%) 60 85 73 80 90 87 SSxy = 42.33 SSx = 9.33 SSy = 618.83 = 2.6667 = 79.1667 b = 4.5357 A. 0.3102 B. 0.5570 C. -0.9865 D. 0.0073
GDP(in millions),X. CO2 emission 1.7. 552.6 1.2. 462.3 2.5. 475.4 2.8. 374.3 3.6. 748.5 2.2. 400.9 0.8. 253.0 1.5. 318.6 2.4. 496.8 5.9. 1180.6 A) Find the correlation coefficient and the coefficient of determination. Interpret the coefficient of determination. B) Graph the scatterplot and find the equation of the regression lining.

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