Examlex
Determine whether the vertex of the graph of the following function is a maximum point or a minimum point. Also find the coordinates of the vertex.
Sum Of Squared Residuals
The total value obtained by squaring each of the residuals (differences between observed and predicted values) and summing them all, commonly used in regression analysis.
Coefficient Of Determination
A measure, often represented as R^2, that indicates the proportion of the variance in the dependent variable predictable from the independent variable(s).
Linear Relationship
A relationship between two variables where the change in one variable is directly proportional to the change in another variable.
Error Variable
The error variable represents the component of randomness or unexplained variance in a statistical model, distinguishing between the observed and predicted values.
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