The table gives the average price of a pound of potato chips in January of the given years. Year Price 1987 $2.73 1993 $2.82 1996 $3.09 2000 $3.36 2004 $3.44

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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​(a) Use the method of least squares to obtain the straight line that best fits this data. Make the numbers more manageable by counting years beginning with 1987.
 
The​ least-squares line is
 
y = (  ) x + (  )
 
 
 
(b) Estimate the average price of a pound of potato chips in January 1999.
 
 
 
 
(c) If this trend​ continues, when will the average price of a pound of potato chips be​ $3.63?
The table displays the average price of a pound of potato chips in January for selected years. The data is as follows:

- **1987:** $2.73
- **1993:** $2.82
- **1996:** $3.09
- **2000:** $3.36
- **2004:** $3.44

This table allows for analysis of the price trend over the period from 1987 to 2004, showing a general increase in prices over time.
Transcribed Image Text:The table displays the average price of a pound of potato chips in January for selected years. The data is as follows: - **1987:** $2.73 - **1993:** $2.82 - **1996:** $3.09 - **2000:** $3.36 - **2004:** $3.44 This table allows for analysis of the price trend over the period from 1987 to 2004, showing a general increase in prices over time.
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