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. %3D 220 210- 200 190 180 170- 160 150 140- 130 120 110 100- 90 12 804 Use the above scatter plot to decide whether the linear model fits the data well. O The function is not a good model for the data O The function is a good model for the data. Estimate the retails sales in the U. S. in 2017. billions of dollars. Use the model to predict the year in which retails sales will be $232 billion.
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. %3D 220 210- 200 190 180 170- 160 150 140- 130 120 110 100- 90 12 804 Use the above scatter plot to decide whether the linear model fits the data well. O The function is not a good model for the data O The function is a good model for the data. Estimate the retails sales in the U. S. in 2017. billions of dollars. Use the model to predict the year in which retails sales will be $232 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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Question
![The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since
1995.
Year
Retail Sales
85.851
3
108.426
141.781
9
169.256
12
202.297
15
222.266](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc92539b4-6a80-4c9c-a1ce-c43f48faf7df%2F474a853e-908a-4a91-8b76-9e00a52532a1%2F278nmx_processed.png&w=3840&q=75)
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
85.851
3
108.426
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
3
9
12
80
Use the above scatter plot to decide whether the linear model fits the data well.
O The function is not a good model for the data
O The function is a good model for the data.
Estimate the retails sales in the U. S. in 2017.
billions of dollars.
Use the model to predict the year in which retails sales will be $232 billion.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc92539b4-6a80-4c9c-a1ce-c43f48faf7df%2F474a853e-908a-4a91-8b76-9e00a52532a1%2Fcpn4p5c_processed.png&w=3840&q=75)
Transcribed Image Text: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
3
9
12
80
Use the above scatter plot to decide whether the linear model fits the data well.
O The function is not a good model for the data
O The function is a good model for the data.
Estimate the retails sales in the U. S. in 2017.
billions of dollars.
Use the model to predict the year in which retails sales will be $232 billion.
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