Use the data set anxiety.csv, which is posted in Data Sets in Bb, to predict exam score from anxiety rating. FYI: a higher anxiety measurement indicates a higher level of pre-test anxiety. a. Calculate the estimated variance-covariance matrix of b. b. From your estimated variance-covariance matrix from part (a), find and interpret s{bo, b1} and s²{b1}. C. From your estimated variance-covariance matrix from part (a), find and interpret s{b1}.

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