Year Retail Sales 0 85.851 3 108.426 6 141.781 9 169.256 12 202.297 15 222.266 Let S(t) be the retails sales in billions of dollars in t years since 1995. A linear model for the data is F(t) - 9.44t + 84.182. 220 210- 200- 190- 180- 170 160- 150 - 140- 130 120- 110- 100 90- 6 30+ 12 25 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 2014. 235.22 billions of dollars. Use the model to predict the year that corresponds to retails sales of $249 billion. |2011 Enter an integer or decimal number [more..]