Given a dataset of size n=20n=20n=20 with ∑Xi=100,∑Yi=200,∑Xi2=600,∑XiYi=1100\sum X_i = 100, \sum Y_i = 200, \sum X_i^2 = 600, \sum X_i Y_i = 1100∑Xi=100,∑Yi=200,∑Xi2=600,∑XiYi=1100. Find the OLS intercept β^0\hat{\beta}_0β^0.
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