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Answer the following on regression and correlation.
If , , , and correlation coefficient , find the regression equation of on .
If $\bar{x} = 18$, $\bar{y} = 100$, $\sigma_x = 14$, $\sigma_y = 20$ and correlation coefficient $r_{xy} = 0.8$, find the regression equation of $y$ on $x$.
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From ISC 2019 Mathematics Paper 1, question 19(c).
Check your working with the Regression lines calculator: both regression lines, b_yx, b_xy and r from data, summary sums or the two lines; with estimates.