Math Problem Solver

Original numbers in ascending order: $138840$, $216211$, $388649$, $454070$, $908140$, $1685438$, $2395540$, $5556068$
Sum: $11742956$
Mean: $\frac{2935739}{2} = 1467869.5$
Sample standard deviation: $\frac{4 \sqrt{10263770747846}}{7} \approx 1830692.5865$
Median: $681105$
Mode: No mode