Problem:
Compute the mode of ${-2, 9, -5, 9, 7, -7, -2, -8, -7, -3, -2, -3, -2, -7, -5, -2, 7, 7, -7, -2, 7, -8, -7}$.
Answer:
$\{-2\}$
{'source': 'AMPS', 'file': 'amps/mathematica/counting_and_statistics/mode/21520.txt'}