A Quadratic Trend Model Was Fit to Data on Annual

question 18

Multiple Choice

A quadratic trend model was fit to data on annual estimates of the population in the age group 65 + in Alameda County, California from 1999 (t = 1) onward.The results are shown below.Using this model, the estimate of population in the 65+ age group in Alameda County for 2008 (t = 10) is ________________________ .
Fitted Trend Equation: Yt = 148187 - 554*t + 135.5*t**2

• A)153,713
• B)148,187
• C)161,737
• D)156,197
• E)167,277

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Definitions:

Nuclei

Cellular organelles that contain the majority of an organism's genetic material (DNA), acting as the control center of the cell.

Ganglia

Structures containing a group of nerve cell bodies, typically linked to the peripheral nervous system.

Myelencephalon

The posterior part of the brainstem, comprising the medulla oblongata, involved in regulating vital bodily functions.

Medulla Oblongata

A part of the brainstem involved in autonomic functions, such as breathing, heart rate, and blood pressure.