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dollars in the U.S. for years sin Retail Sales 85.851 108.426 141.781

dollars in the U.S. for years sin Retail Sales 85.851 108.426 141.781

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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19:38 1 Amyopenmath.com The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 0 3 220- 210- 200- 190 180- 170- 160- 150- 140 130- 120- 110- 100- 90- 804 6 9 12 15 85.851 108.426 141.781 169.256 202.297 222.266 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. 6 9 12 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. billions of dollars. Use the model to predict the year in which retails sales will be $248 billion.
Transcribed Image Text:19:38 1 Amyopenmath.com The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 0 3 220- 210- 200- 190 180- 170- 160- 150- 140 130- 120- 110- 100- 90- 804 6 9 12 15 85.851 108.426 141.781 169.256 202.297 222.266 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. 6 9 12 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. billions of dollars. Use the model to predict the year in which retails sales will be $248 billion.
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