Suppose That the 1999 Monthly Cost for Health Care for an Employee

question 262

Multiple Choice

Suppose that the 1999 monthly cost for health care for an employee and two dependents is given in the following table. ">$\text { cellpadding }=" 0 " \text { cellspacing }=" 0 " \text { width }=84 \% \text { " border }=0 ">$
$\begin{array}{ll}{\text { Provider }} & {\text { Cost }} \\\text { Maxicare } & \$ 425.02 \\\text { Cigna } & \$ 429.03 \\\text { Health Net } & \$ 434.87 \\\text { Pacific Care } & \$ 444.83 \\\text { Health Plan of the Redwoods } \$ 448.32 \\\text { Kaiser } & \$ 454.11 \\\text { Aetna U.S. Healthcare } & \$ 457.33 \\\text { Blue Shield HMO } & \$ 460.45 \\\text { Omni Healthcare } & \$ 469.25 \\\text { Lifeguard } & \$ 474.92\end{array}$ What is the mode?

• A) $448.32
• B) $449.81
• C) none
• D) $447.02
• E) $454.11

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Definitions:

Coefficient Of Determination

A statistical measure represented as R² that assesses the proportion of the variance in one variable that is predictable from the other variable.

Standard Error Of The Estimate

A measure of the accuracy of predictions made by a regression line, indicating the standard deviation of the residuals.

Adjusted R Square

A statistical measure that indicates the proportion of the variance in the dependent variable that is predictable from the independent variables, adjusted for the number of predictors in the model.

Residual Plots

Graphs that show the residuals of a regression analysis, providing insights into the accuracy of a model.