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X = [1, 0, 0, 1, 2, 2.5, 3, 4, 4, 5, 5] Y = [7, 1, 2, 1, 2, 2, 3.5, 3.5, 5, 4, 6] # Define lines line1 = lambda x: x + 1 line2 = lambda x: x + 0.5 # Calculate MSE for Line 1 MSE_Line1 = sum((y - (line1(x) + 1))**2 for x, y in zip(X, Y)) / len(X) # Calculate MSE for Line 2 MSE_Line2 = sum((y - (line2(x) + 0.5))**2 for x, y in zip(X, Y)) / len(X) # Print MSE for both lines print(f"MSE for Line 1: {MSE_Line1}") print(f"MSE for Line 2: {MSE_Line2}")