Suppose that the following table shows the annual sales, in millions of dollars, for Advanced Auto Parts and Auto Zone for 2000 through 2007. Find the least squares quadratic model for Advanced Auto Parts. Let t represents the year, with t=0 corresponding to 2000. Round all coefficients to two decimal places. Year 2000 2001 2002 2003 2004 2005 2006 2007 Advanced Auto Parts 2744 1789 1125 1037 1531 2847 3198 6250 OS=257.082-1356.11+28127 S=263.31²-1379.73t+2824.58 OS=259.311²-1396.29t+2767.18 OS=257.08² +1356.11+28127 OS=259.31²+1396.29t+2767.18

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Suppose that the following table shows the annual sales, in millions of dollars, for Advanced Auto Parts and Auto Zone for 2000 through 2007. Find
the least squares quadratic model for Advanced Auto Parts. Lett represents the year, with = 0 corresponding to 2000. Round all coefficients to two
decimal places.
Year
2000
2001
2002
2003
2004
2005
2006
2007
Advanced Auto Parts
2744
1789
1125
1037
1531
2847
3198
6250
OS=257.082-1356.11+2812.7
S=263.31²-1379.73t+2824.58
OS=259.31²-1396.29t+2767.18
OS=257.08² +1356.11+28127
OS=259.31²+1396.29t+2767.18
Transcribed Image Text:Suppose that the following table shows the annual sales, in millions of dollars, for Advanced Auto Parts and Auto Zone for 2000 through 2007. Find the least squares quadratic model for Advanced Auto Parts. Lett represents the year, with = 0 corresponding to 2000. Round all coefficients to two decimal places. Year 2000 2001 2002 2003 2004 2005 2006 2007 Advanced Auto Parts 2744 1789 1125 1037 1531 2847 3198 6250 OS=257.082-1356.11+2812.7 S=263.31²-1379.73t+2824.58 OS=259.31²-1396.29t+2767.18 OS=257.08² +1356.11+28127 OS=259.31²+1396.29t+2767.18
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