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Part 2: Variance of simple OLS slope estimator 02 Consider the formula for the variance of the slope estimator: Var ( B, ) = SSTx

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Part 2: Variance of simple OLS slope estimator 02 Consider the formula for the variance of the slope estimator: Var ( B, ) = SSTx 6. For the regression estimated in Part 1, what is the value of SST, ? [7.5 marks] 7. In the formula above, what does O stand for? [7.5 marks]

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