| 释义 |
Collins Concise English Dictionary © HarperCollins Publishers:: ˈestiˌmator /ˈɛstɪˌmeɪtə/ n - a person or thing that estimates
- a derived random variable that generates estimates of a parameter of a given distribution, such as ̄X, the mean of a number of identically distributed random variables Xi. If ̄X is unbiased, ̄x, the observed value should be close to E(Xi)
See also sampling statistic
es•ti•mate /v. ˈɛstəˌmeɪt; n. -mɪt/USA pronunciation v., -mat•ed, -mat•ing, n. v. - to form a judgment or opinion regarding the worth, amount, size, weight, etc., of;
calculate approximately: [~ + object]to estimate the cost of a college education.[~ + object + at + object]estimated the cost at about $5,000.[~ + (that) clause]Someone estimated that the cost of a college education has doubled in the last ten years. - to form an opinion of;
judge: [~ + object]She estimated his attitude was hostile.[~ + (that) clause]I estimate that our candidate will win.
n. [countable] - an approximate judgment or calculation, as of the value, amount, time, size, or weight of something:The expert's estimate is that the painting is worth $5,000.
- a judgment or opinion, as of the qualities of a person or thing:My estimate of his character was incorrect.
- Businessa statement of the approximate charge for work to be done.
es•ti•ma•tor /ˈɛstəˌmeɪtɚ/USA pronunciation n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024es•ti•mate (v. es′tə māt′;n. es′tə mit, -māt′),USA pronunciation v., -mat•ed, -mat•ing, n. v.t. - to form an approximate judgment or opinion regarding the worth, amount, size, weight, etc., of;
calculate approximately:to estimate the cost of a college education. - to form an opinion of;
judge.
v.i. - to make an estimate.
n. - an approximate judgment or calculation, as of the value, amount, time, size, or weight of something.
- a judgment or opinion, as of the qualities of a person or thing.
- Businessa statement of the approximate charge for work to be done, submitted by a person or business firm ready to undertake the work.
- Latin aestimātus, past participle of aestimāre to value, estimate; see -ate1
- 1525–35
- 1.See corresponding entry in Unabridged compute, count, reckon, gauge, assess, value, evaluate, appraise.
- 4.See corresponding entry in Unabridged valuation, calculation, appraisal.
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