Microsoft Excel Was Used to Obtain the Following Quadratic Trend

question 23

Short Answer

Microsoft Excel was used to obtain the following quadratic trend equation:
Sales = 100 - 10X + 15X².
The data used was from 2001 through 2010 coded 0 to 9. The forecast for 2011 is ________.

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Definitions:

Ambrosia

In mythology, ambrosia is often considered the food or drink of the gods, granting longevity or immortality upon consumption.

Ambrosia

In classical mythology, the food of the gods, or in general usage, something extremely pleasing to taste or smell.

Rocks Oxidize

The chemical process where rocks react with oxygen, leading to changes in their mineral composition and often causing them to weaken or crumble.

Earth's Surface

The outermost layer of the Earth, consisting of the crust and parts of the upper mantle that interact directly with the biosphere and atmosphere.