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

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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