Modified statistical figure assessed (9)

I believe the answer is:

moderated

'modified' is the definition.
(moderating is a kind of modifying)

'statistical figure assessed' is the wordplay.
'statistical figure' becomes 'mode' (type of average).
'assessed' becomes 'rated' (rating is a kind of assessing).
'mode'+'rated'='MODERATED'

(Another definition for moderated that I've seen is " toned down".)

I've seen this clue in The Times.

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