Question

# compute the correlation coefficient for the data below x values -3 1 2 y values 4 6 -2 solutions:

a)-0.227 b)0.431 c)-0.454 d)-0.159 what is the equation for the regression line if n=7, Ex=69, Ey=528 Exy=4754 and Ex^2=825 solutions: a)y'=-3.110+106.089x b) y'=-2.168+109.638x c) y'=109.638-2.168x d) y'=106.089-3.110x

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