Problem:
Compute the mean of ${\frac{26}{\pi }, 5, -9, 6 \sqrt{3}, 4, \frac{4}{\sqrt{3}}, -\frac{9}{\sqrt{2}}, -1, 2 \sqrt{5}}$.
Answer:
$4$
{'source': 'AMPS', 'file': 'amps/mathematica/counting_and_statistics/median/853.txt'}