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