单词:random sampling test
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Test 1 Part A Conversation 1: W: Cathy has the habit of keeping us waiting for over 30 minutes. Maybe either you or I should give her a ring before each meeting. M: That's really a nuisance, but I'll do it if you want. Q: What will the man probably d
JEFFREY BROWN: And finally tonight, putting a price on the value of good teachers. A large and new study addresses just that. Ray Suarez has the story. RAY SUAREZ: The debate over testing in schools, and whether students' scores adequately reflect a
by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
Cambridge 7 TEST 4 1. large numbers of=tens of thousands of=many 大量的2. large=massive=huge=enormous=vast 巨大的 adj. 3. resemble=look like=alike=much the same=akin to 相像 v. 4. foe=enemy=adversary=hostile 敌人 n. 5. more than=exceed=over
QC procedure 品管流程 What issues do we need to address to work out new QC procedures? 在制定新品管流程之前,有哪些問題必須先處理? quality standard 品質標準 This year, Metro Factory experienced a noticeable decline in q
1.audit 审计 2.attestation 鉴证 3.credibility 可信赖程度 4.audit of financial statements 财务报表审计 5.agreed-upon procedures 执行商定程序 6.high levels of assurance 高水平保证 7.compilation 编制 8.reliability 可靠性 9
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Ever been woken up by the sound of the refrigerator compressor kicking on? Well, such clumsy heat exchange units featuring long metal coils may be on their way out. Becaus
Understanding of English Improves Worldwide 全世界范围内英语理解能力增强 The worlds understanding of English appears to be getting better. The private education company EF recently released a report called English Proficiency Index. The
By Phil Mercer Sydney 02 October 2007 Australian refugee groups have criticized tests that require people to answer questions about the nation's history and culture to qualify to become a citizen. Critics believe the new measures will discriminate ag
I knew the answer to that question! I just couldnt remember it for the test! 我记得这个问题的答案,只是在测试中想不起来! Have you ever left an exam feeling this way? Its a common problem that students encounter, and the problem r
Smartphones have plenty of added functions and applications for savvy users to explore. But how well do you make use of your smart phone? Recently many people have been taking part in an online test designed to test their smartphone proficiency, and
1.Bending 弯曲 A: What kind of parts do you usually need to bend? B: Tubular parts or stampings. A:什么样的零件一般需要进行弯曲加工? B:管状零件或冲压件。 2.Cycle time 工作周期 A: What is the cycle time of the injection molding machine? B: Three
今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests
By Phil Mercer Sydney 02 January 2008 Australia's new left-of-center Labor government says it will review a controversial citizenship test. Some people are critical of the test's high rate of failure by applicants, who are quizzed about Australian hi
People who think about language talk about how the sounds of words bear no relation to objects in the world. Indeed, this has been a leading assumption in much of modern literary criticism, philosophy, and even linguistics. Not necessarily so, says B
Mr Thaler, an American born in New Jersey in 1945, spent most of his early career at Cornell University before moving to the University of Chicago in 1995. 赛勒,这位1945年出生在新泽西州的美国人,在1995年转投芝加哥大学之前,
It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th
left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased