Query in Econometrics

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[maahi]

just apply d formulas  b2 = sigma xy / summation x^2.
B1 =mean of y -b2 mean of x
se= summation u ^2 /n-2
summation u ^2 = summation y^2-b2^2*summation x^2
R^2 = summation xy^2/summation x^2*summation y^2

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