Chapter 6, Problem 43RE

Starbucks The table gives the total number of Starbucks stores in the world and in the United States for selected years from 2005 through 2017.

1. a. Create a scatter plot of the data, with x representing the number of years after 2000 and y representing the total number of stores in the world.
2. b. Find a cubic model for the data, with x equal to the number of years after 2000 and y equal to the total number of stores in the world. Report the model with three significant digits.
3. c. Graph the data and the cubic model on the same axes, with the window [2, 20] by [8000, 23,000].
4. d. What does the model give as the projected total number of worldwide Starbucks stores for 2019?

Year	Total	U.S.
2005	10,241	7353
2006	12,440	8896
2007	15,011	10,684
2008	16,680	11,567
2009	16,635	11,128
2010	16,858	11,131
2011	17,003	10,787
2012	17,572	10,924
2013	20,891	13,279
2017	21,000	12,543

(Source: Starbucks)