The most common and most likely answer to this crossword clue is the 9 letter word HISTOGRAM
I've seen this crossword clue in Independent
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More clues leading to the result HISTOGRAM
- Chart man’s got up to stuff
- That man’s getting Robbie, perhaps, to lie about plot
- Chart right, so wrong in the morning
- Bloke’s weight is entertaining to chart
- Curious language’s turned up in that fellow’s statistical output?
- Graphic representation of logarithms omits fifty
- Quiet male following ancient ship reviewed chart
- Graph showing frequency of the chap’s girl mounting
- Fonteyn reflects on the man’s analysis
- . ...man's upset, got to hit a few bars!
Buddy explains!

The straight part
We know that "statistical output" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case statistical output = histogram.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does HISTOGRAM mean?
HISTOGRAM noun- A graphical display of numerical data in the form of upright bars, with the area of each bar representing frequency.
- To represent (data) as a histogram.