Math Problem Solver

Original numbers in ascending order: $252136$, $305248$, $828569$, $872247$, $1657138$, $4516400$, $6909352$
Sum: $15341090$
Mean: $\frac{15341090}{7} \approx 2191584.2857$
Sample standard deviation: $\frac{\sqrt{2856645040766223}}{21} \approx 2545123.4064$
Median: $872247$
Mode: No mode