Ononot — A dataset has n=20 points with \sum Xi = 100, \sum Yi = 200,

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Linear Modelinghard

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A dataset has $n=20$ points with $\sum X_i = 100, \sum Y_i = 200, \sum X_i^2 = 600, \sum X_i Y_i = 1100$ . Find the OLS intercept $\hat{\beta}_0$ .