Home > Statistical Methods calculators > Find Regression line equations from sum x, sum y, sum x^2, sum y^2, sum xy, n calculator

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 Solution will be displayed step by step (In 2 parts) Solution Find Regression line sum x=130, sum y=220, sum x^2=2288, sum y^2=8822, sum xy=3467, n=10Solution:Your problem -> Regression line sum x=130, sum y=220, sum x^2=2288, sum y^2=8822, sum xy=3467, n=10Mean bar x = (sum x)/n=130/10=13Mean bar y = (sum y)/n=220/10=22byx = (n * sum xy - sum x * sum y)/(n * sum x^2 - (sum x)^2)=(10 * 3467 - 130 * 220 )/(10 * 2288 - (130)^2)=(34670 - 28600 )/(22880 - 16900)=6070/5980=1.0151Regression Line y on xy - bar y = byx (x - bar x)y - 22 = 1.0151 (x - 13) Solution provided by AtoZmath.com Any wrong solution, solution improvement, feedback then Submit Here Want to know about AtoZmath.com and me