Ballpark estimate

A ballpark figure is a rough numerical estimate or approximation of the value of something that is otherwise unknown. ... A salesperson could use a ballpark figure to estimate how long a product a customer was thinking about buying might be viable.

1. How do you write a ballpark estimate?
2. What is ballpark estimate in project management?
3. What does the expression in the ballpark mean?
4. Where did the term ballpark estimate come from?

How do you write a ballpark estimate?

For example, a student is give the number 21 and 39 and directed to make a ballpark estimate. They first must know 21 is between the benchmark numbers 20 and 30, but closer to 21, and 39 is between 30 and 40 but closer to 40. So 21 + 39 =? 20 + 40 = 60!

What is ballpark estimate in project management?

Often, when you come into a project, there is already an expectation of how much it will cost or how much time it will take. When you make an estimate early in the project without knowing much about it, that estimate is called a rough order-of-magnitude estimate (or a ballpark estimate).

What does the expression in the ballpark mean?

in the ballpark. : approximately correct my first guess wasn't even in the ballpark. ballpark. adjective.

Where did the term ballpark estimate come from?

ballpark "baseball stadium," 1899, from (base) ball + park (n.). Figurative sense of "acceptable range of approximation" first recorded 1960, originally referring to area within which a spacecraft was expected to return to earth; the reference is to broad but reasonably predictable dimensions.