Math Problem Solver

Original numbers in ascending order: $\frac{3}{10}$, $\frac{2}{5}$, $1$, $2$
Sum: $\frac{37}{10} \approx 3.7$
Mean: $\frac{37}{40} \approx 0.925$
Sample standard deviation: $\frac{\sqrt{2193}}{60} \approx 0.7805$
Median: $\frac{7}{10} \approx 0.7$
Mode: No mode