Math Problem Solver

Original numbers in ascending order: $300031$, $379448$, $627991$, $710712$
Sum: $2018182$
Mean: $\frac{1009091}{2} = 504545.5$
Sample standard deviation: $\frac{\sqrt{345656947227}}{3} \approx 195975.3236$
Median: $\frac{1007439}{2} = 503719.5$
Mode: No mode