220 210- 200 190 180- 170 160 150 140- 130 120- 110- 100 90 12 15 804 Use the above scatter plot to decide whether the linear model fits the data well. The function is not a good model for the data The function is a good model for the data. Estimate the retails sales in the U. S. in 2011. billions of dollars. Use the model to predict the year that corresponds to retails sales of $230 billion.

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