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

Short Answer

Suppose that the 1999 monthly cost for health care for an employee and two dependents is given in the following table.
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$\begin{array}{lr}{\text { Provider }} & \text { Cost } \\\text { Maxicare } & \$ 418.35 \\\text { Cigna } & \$ 431.06 \\\text { Health Net } & \$ 438.01 \\\text { Pacific Care } & \$ 444.61 \\\text { Health Plan of the Redwoods } \$ 449.42 \\\text { Kaiser } & \$ 454.92 \\\text { Aetna U.S. Healthcare } & \$ 458.22 \\\text { Blue Shield HMO } & \$ 464.38 \\\text { Omni Healthcare } & \$ 467.77 \\\text { Lifeguard } & \$ 472.43\end{array}$

If there are multiple answers, separate them with a comma. If there is no answer, enter none. If necessary, round each answer to the nearest cent. What is the mode? $ __________