Math Problem Solver

Original numbers in ascending order: $1421424$, $3160624$, $3454678$, $7640922$, $9268048$, $16391228$, $18571548$
Sum: $59908472$
Mean: $\frac{59908472}{7} \approx 8558353.1429$
Sample standard deviation: $\frac{10 \sqrt{21975036853511}}{7} \approx 6696791.3202$
Median: $7640922$
Mode: No mode