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Calculate least squares, ANOVA table, standard errors

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Please refer to the file attached and show the detailed calculations.

Business forecasting: Calculate least squares estimate, ANOVA table, standard errors

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The expert calculates least squares, ANOVA table and standard errors.

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Please see attached files.

Most of the questions are scanned, plus a few additions here.

1. The interpretation of R^2.

I had on paper that "R^2 tells us that our model explains 77.4% of the variability in the data set". In addition, R^2 gives us an idea of how well our model could be used to predict future outcomes. In this particular case, our model explains 77.4% of ...

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