Math Problem Solver

Original numbers in ascending order: $199056$, $379448$, $438123$, $710712$
Sum: $1727339$
Mean: $\frac{1727339}{4} = 431834.75$
Sample standard deviation: $\frac{\sqrt{179656507577}}{2} \approx 211929.5329$
Median: $\frac{817571}{2} = 408785.5$
Mode: No mode