This table shows 10 observations of a pair of variables (x,y). The variables x and y are positively correlated, with a correlation coefficient of 0.977. Find the slope, b, of the least squares regression line, y=ax+b, for these data:
X 1 2 3 4 5 6 7 8 9 11
Y 2 4 5 8 9 12 13 14 15 16

Question

This table shows 10 observations of a pair of variables (x,y).  The variables x and y are positively correlated, with a correlation coefficient of 0.977.  Find the slope, b, of the least squares regression line, y=ax+b, for these data:
X	1	2	3	4	5	6	7	8	9	11
Y	2	4	5	8	9	12	13	14	15	16

anonymous · Answer

please help!  I don't know how to do these...can you offer me any steps?

anonymous · Answer

a=1.5065
b=1.3636
r^2=.9549

anonymous · Answer

Please tell me how you figure this out.  I have several problems to solve like this and have no idea where to start!