The following table shows retail sales in drug stores in billions of dollars in the U.S. for year Year Retail Sales 0 3 6 230 210 200 190+ Let 5(t) be the retails sales in billions of dollars in t years since 1995. A linear model for th F(t) 9.44t+84.182. 180+ 170 160+ 150+ 12 15 130 120 2104 200 90 85.851 108.426 141.781 169.256 202.297 222.266 Use the above scatter plot to decide whether the linear model fits the data well. O The function is a good model for the data. O The function is not a good model for the data Estimate the retails sales in the U. 5. in 2014. billions of dollars. Use the model to predict the year in which retails sales will be $248 billion.
The following table shows retail sales in drug stores in billions of dollars in the U.S. for year Year Retail Sales 0 3 6 230 210 200 190+ Let 5(t) be the retails sales in billions of dollars in t years since 1995. A linear model for th F(t) 9.44t+84.182. 180+ 170 160+ 150+ 12 15 130 120 2104 200 90 85.851 108.426 141.781 169.256 202.297 222.266 Use the above scatter plot to decide whether the linear model fits the data well. O The function is a good model for the data. O The function is not a good model for the data Estimate the retails sales in the U. 5. in 2014. billions of dollars. Use the model to predict the year in which retails sales will be $248 billion.
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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Transcribed Image Text: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
6
210
200+
190+
180+
170
160+
150+
Let 5(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.
130
120
2104
12
15
200
90
85.851
108.426
141.781
169.256
202.297
222.266
Use the above scatter plot to decide whether the linear model fits the data well.
O The function is a good model for the data.
O The function is not a good model for the data
Estimate the retails sales in the U. 5. in 2014.
billions of dollars.
Use the model to predict the year in which retails sales will be $248 billion.
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