Posted by **BC** on Monday, August 30, 2010 at 9:38pm.

Suppose the estimated quadratic model Yt = 500 + 20 t - t2 is the best-fitting trend of sales of XYZ Inc. using data for the past twenty years (t = 1, 2,.., 20).

Which statement is incorrect?

A. The trend was higher in year 10 than in year 20.

B. Latest year sales are no better than in year zero.

C. The turning point would be in period 10.

D. Sales are increasing by about 20 units per year.

Need help Please

## Answer this Question

## Related Questions

- managerial economics - Cypress River Landscape Supply is a large wholesale ...
- statistics - The following data on the number of iron workers in the United ...
- Algebra - Myra uses an inverse variation function to model the data for the ...
- statistics - collect the annual sales of a super market for 10 years and fit a ...
- algebra - 4. Which of the following is true about a trend line for data? (1 ...
- Algebra - which of the following is true bout a trend line for data? a- the ...
- Math - Which of the following is true about a trend line for data? A. The ...
- Economics - In a regression analysis, suppose there is, in fact, no seasonal ...
- Economics - Economyst, please help Rubax__ a U.S. manufacturer of athletic shoes...
- Management - Below you will find product demand for the past five years for XYZ ...