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Find x, y, z, and w .
Second-order Model
A model that accounts for the second level of dependencies or effects in a system, often extending beyond simple linear relationships to include more complex interactions.
Annual Fatalities
The total number of deaths occurring within a year, often used in the context of road traffic, workplace accidents, or diseases.
Interaction
In statistics, refers to the situation where the effect of one independent variable on a dependent variable differs depending on the level of another independent variable.
Regression Equation
An equation that represents the relationship determined by regression analysis, predicting the dependent variable based on independent variables.
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