Origin of "ballpark estimate" to mean a very rough estimate? - English Language & Usage Stack Exchange
a ballpark figure an estimated number; normally for being quite close to correct "We don't know exactly but $1… | English phrases, Idioms and phrases, Learn english
A Ball Park Figure Meaning, Synonyms, Examples - Leverage Edu
Ballpark Figure
Example Ballpark Data on Selected WE-CBM Scores From Multiple Sources... | Download Table
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English With Ahmed anees - ballpark figure An approximate number; an estimate. Do you have a ballpark figure for the cost of the renovations? That's just a ballpark figure—they don't know exactly
More 160 Ballpark figure Synonyms. Similar words for Ballpark figure.
Quick Calculations: How Ballpark Figures Simplify Decision making - FasterCapital