Math Problem Solver

Original numbers in ascending order: $191941$, $298211$, $379448$, $710712$
Sum: $1580312$
Mean: $395078$
Sample standard deviation: $\frac{\sqrt{451550925942}}{3} \approx 223991.797$
Median: $\frac{677659}{2} = 338829.5$
Mode: No mode