Math Problem Solver

Original numbers in ascending order: $\frac{1}{4}$, $\frac{3}{8}$, $\frac{9}{16}$
Sum: $\frac{19}{16} = 1.1875$
Mean: $\frac{19}{48} \approx 0.3958$
Sample standard deviation: $\frac{\sqrt{57}}{48} \approx 0.1573$
Median: $\frac{3}{8} = 0.375$
Mode: No mode