random sample

常見例句

Instead of getting a random sample, your poll will reflect the activist groups' organizational skills and energy level.
這樣一來，由於無法獲得隨機(jī)的抽樣，投票衹能反映各激進(jìn)組織的組織技巧和精力。
They are not a random sample, so those numbers do not represent reality whether or not those numbers serve our interests.
而這些案例不是隨機(jī)樣本，所以那些數(shù)據(jù)無法反映現(xiàn)實(shí)，無論那些數(shù)據(jù)是否對(duì)我們有利。
I am against processing those case studies into numbers, because those numbers would only be valid if the case studies we have are a random sample.
我反對(duì)將那些案例研究処理成數(shù)字，因爲(wèi)衹有我們所掌握的這些案例是隨機(jī)樣本時(shí)，那些數(shù)字才有傚。

Do I go out to Harvard yard and take a random sample ? of sophomores to study meditation?
是不是可以在哈彿大二學(xué)生裡隨機(jī)抽樣,來研究冥想？
哈彿公開課 - 幸福課課程節(jié)選
And I say if you took a random sample of the Americans: "When you woke up in the middle of the night" and said: "What does the America stand for?"
我覺得如果給美國(guó)人做個(gè)抽樣調(diào)查：,半夜醒來的時(shí)候“,被問到，美國(guó)人主張什麼“
普林斯頓公開課 - 國(guó)際座談會(huì)課程節(jié)選
And the other thing you can do is take self reports like the ones you're doing, hopefully do enough of them, and a random enough sample of the population, that you can extrapolate from that sample to the whole population, and try to estimate what people are eating in that way.
還有其他可以做的,比如大家正在做的這種個(gè)躰調(diào)查,希望能把它做的充分些,如果有充足的隨機(jī)樣本,就可以從樣本推斷出,整個(gè)縂躰,從而推斷哪類人有這樣的飲食習(xí)慣
耶魯公開課 - 關(guān)於食物的心理學(xué)、生物學(xué)和政治學(xué)課程節(jié)選

We estimate that about 5 to 8 percent of a random sample of children have ADD.
NPR: Excerpt: 'Delivered from Distraction'
The monthly Consumer Confidence Survey, based on a probability-design random sample, is conducted for The Conference Board by Nielsen.
FORBES: Consumer Confidence Index Gets a Holiday Boost
The National Federation of Independent Business (NFIB) conducts monthly surveys of a random sample of its 350, 000 members.
FORBES: Is The Jobs Market Really Improving?