Math Problem Solver

Original numbers in ascending order: $\frac{1}{4}$, $\frac{5}{8}$, $\frac{3}{2}$, $\frac{9}{4}$
Sum: $\frac{37}{8} = 4.625$
Mean: $\frac{37}{32} \approx 1.1562$
Sample standard deviation: $\frac{\sqrt{1857}}{48} \approx 0.8978$
Median: $\frac{17}{16} = 1.0625$
Mode: No mode