Math Problem Solver

Original numbers in ascending order: $1421424$, $3160624$, $3454678$, $7171544$, $7640922$, $9268048$, $16391228$, $18571548$
Sum: $67080016$
Mean: $8385002$
Sample standard deviation: $\frac{2 \sqrt{473838607496478}}{7} \approx 6219381.2114$
Median: $7406233$
Mode: No mode