Multiple Choice
A quadratic trend equation was estimated from monthly sales of trucks in the United States from July 2006 to July 2011. The estimated trend is yt = 106 + 1.03t + 0.048t2, where yt units are in thousands. From this trend, how many trucks would be sold in July 2012?
A) About 308,419
B) About 524,889
C) About 436,982
D) About 223,831
Correct Answer:

Verified
Correct Answer:
Verified
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