The Total Numbers of Navy Personnel N (In Thousands) and Marines

question 56

Multiple Choice

The total numbers of Navy personnel N (in thousands) and Marines personnel M (in thousands) from 2000 through 2007 can be approximated by the models ​ and ​
Where t represents the year, with t = 0 corresponding to 2000.
Find and interpret .
​

• A) , which represents the difference between the number of Navy personnel and the number of Marines personnel.
• B) , which represents the difference between the number of Navy personnel and the number of Marines personnel.
• C) , which represents the difference between the number of Navy personnel and the number of Marines personnel.
• D) , which represents the difference between the number of Navy personnel and the number of Marines personnel.
• E) , which represents the difference between the number of Navy personnel and the number of Marines personnel.

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Definitions:

Reification

Turning an abstract into a concrete thing—for example, assuming that because there are measures of intelligence, there is a unitary, tangible entity called intelligence.

Abstraction

The process of removing physical, specific details to focus on ideas or concepts at a more general, simplified level.

Real Thing

An authentic object or concept, as opposed to an imitation or reproduction.

Likert Scale

An interval scale on which respondents record their reactions to statements by checking their level of agreement between, for example, “strongly agree” and “strongly disagree.”