Math Problem Solver

Original numbers in ascending order: $316340$, $388649$, $454070$, $789821$, $2487782$, $3897760$, $5004060$
Sum: $13338482$
Mean: $\frac{13338482}{7} \approx 1905497.4286$
Sample standard deviation: $\frac{\sqrt{1623385786311849}}{21} \approx 1918631.5195$
Median: $789821$
Mode: No mode