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Method and examples
Find the equation of two regression lines, also estimate
Method
1. Find the equation of two regression lines, also estimate
2. Find Correlation Coefficient from two Regression line equations
3. Find Regression line equations using mean, standard deviation and correlation
4. Find Regression line equations from ∑x, ∑y, ∑x2, ∑y2, ∑xy, n
`sum` X
`sum` Y
`sum` X^{2}
`sum` Y^{2}
`sum` XY
n
Find Regression line equations from `sumx = 130, sumy=220,sumx^2 = 2288, sumy^2 = 8822, sumxy = 3467, n = 10` Find Regression line equations from `sumx = 100, sumy=200,sumx^2 = 2000, sumy^2 = 8000, sumxy = 3000, n = 10`

Solution
Solution provided by AtoZmath.com

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