Math Problem Solver

Original numbers in ascending order: $144980$, $4331467$, $8347924$, $9174550$
Sum: $21998921$
Mean: $\frac{21998921}{4} = 5499730.25$
Sample standard deviation: $\frac{\sqrt{68872929458273}}{2} \approx 4149485.7952$
Median: $\frac{12679391}{2} = 6339695.5$
Mode: No mode