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The equations of the two lines of regres...

The equations of the two lines of regression are 3x+y=5 and 2x+3y=6. Find
(a) The regression line of Y and X.
(b) mean values of x and y
(c) correlation coefficient x and y
(d) the angle between the regression lines.

Text Solution

Verified by Experts

The correct Answer is:
(a) 2x+3y=6
(b) `vecx=9/7, vecv=8/7`
(c) `e=-sqrt2/3`
(d) `theta=tan^(-1)""7/9`
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Knowledge Check

  • If the lines of regression are 3x+12y=19 and 3y+9x=46 then r will be

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