What does it mean to commute a sentence?

Commutation is the substitution of a lesser penalty for that given after a conviction for a crime.

Explanation:

In law, a commutation is the substitution of a lesser penalty for that given after a conviction for a crime. The penalty can be lessened in severity, induration, or both. The conditions must be lawful and reasonable, and will typically expire when the convicted completes any remaining portion of his or her sentence.

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Brain-List?

the answer is "by providing data about careers and annual mean wages"