46
Quadratic trend for the sale Y is Y
= 44.87 +5.94[2(Year - 1999.5)] +
0.44 [2(Year - 1999.5)]2. Where X
indicates the year. Estimate the
sale for the year 2003.
100.01
128.01
118.01
NONE
108.01
98.01
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I don't know understand
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