Question: We are considering buying an expensive predictive linear model from a consulting company. We do not know the details of the model, but the company

We are considering buying an expensive predictive linear model from a consulting company. We do not know the details of the model, but the company advertises that is has a very competitive R-squared of 0.81, calculated on a private dataset of size 303. The dataset is costly to acquire, but we have a very good estimate of the variability of the dependent variable, we can assume that the sample variance of the dependent variable in that dataset is 0.55.

What is the Sum of squares of Regression that the model produces in the dataset? Report the answer to 3 decimal numbers.

Hint: Look up the formula of thesamplevariance, it is related one of the types of Sums of squares.

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