Although Adolescents Are Involved in Proportionally More Vehicle Deaths Per

question 53

Multiple Choice

Although adolescents are involved in proportionally more vehicle deaths per miles driven than are older adults, the death rate increases when

• A)a cell phone is involved.
• B)there is more traffic.
• C)more passengers are in the car.
• D)the car stereo is turned up to very high volumes.

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Definitions:

Cyclical Variation

Fluctuations in statistical or economic data that occur over regular periods due to seasonal, quarterly, or other cyclical patterns.

Deseasonalize

The process of removing seasonal effects from a dataset to better identify trends.

Centered Moving Average

A method of smoothing data by calculating averages of different subsets of the full data set to identify trends.

Quadratic Model

A statistical or mathematical model in which the relationship between the dependent variable and one or more independent variables is represented by a second-degree polynomial.