The Results of a Quadratic Model Fit to Time Series $\tilde { y } _ { t }$

question 69

Multiple Choice

The results of a quadratic model fit to time series data were $\tilde { y } _ { t }$ = 7.5 - 0.25t + 3.5t²,where t = 1 for 2011.The forecasted value for 2018 is:

• A) 3.25
• B) 10.75
• C) 28.0
• D) 229.5

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Definitions:

Decimals

Numerical values expressed using a decimal system, involving a point to separate the whole number from the fractional part.

Mixed/Whole Numbers

Numbers consisting of both a whole number and a fractional part, usually written with the whole number and fraction separated by a space.

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The ratio of change in one variable relative to another, often used in contexts of finance (interest rates), growth rates, or other measurements of change.

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The places for digits to the right of the decimal point, representing tenths, hundredths, thousandths, and so forth.