| The data for this analysis come from a random sample, cross-sectional survey of Iowa soybean fields. |
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| Because these data are not drawn from a random sample, generalizations are based on intuitive plausibility rather than statistical inference. |
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| I test these hypotheses using data from an electronic mail survey of a random sample of students at a large university in the United States. |
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| When completed, a random sample of returned questionnaires was checked to ensure accuracy of data entry. |
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| In a random sample of 1,150 Orkney people, Smith was not common enough to make it into the top ten list. |
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| What is being generated is largely a random sample of previously unknown archaeology. |
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| The nationally projectable survey, conducted in December 2003, polled a random sample of Americans aged 18 and older. |
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| So even if one starts with a random sample, the sample can end up being greatly biased by way of the limited response. |
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| This has made the whole process of ensuring a random sample more difficult. |
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| Allow me, if you will, to give you a random sample of the goods, translated from the original German. |
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| Each survey was conducted among a nationally representative, random sample of office-based physicians who provide ambulatory patient care. |
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| A random sample of 2,646 people across all regions of England, including the capital, was polled by Opinion Research Business. |
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| As the founder female had been inseminated before collection, the flies used in this study can be regarded as a random sample from the wild. |
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| In order to identify an expected cost, estimation of expected costs was done prior to that with another independent random sample. |
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| From the CASEVIEW sampling frame, drawing a regionally proportionate random sample of 2,000 of the files remaining after the winnowing effort. |
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| The 15-minute telephone survey will be carried out with a random sample of 4,000 Canadians selected from the telephone book. |
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| Professor Ocasio took a random sample from 2,700 industrial corporations, regardless of their size. |
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| The surveys were voluntary and anonymous, which the poll's creators said helps provide a random sample. |
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| In a random sample, each member of the population has an equal chance of being selected. |
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| Main features: Researchers 'mark' a random sample of members of the target population through either an interview or other means. |
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| The survey was based on a random sample consisting of 500 grade 9 students, both male and female. |
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| A representative random sample describes the mire areas of Switzerland over time and space. |
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| The auditors checked a random sample of 30 import declarations in each of these three Member States. |
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| A total of 258 producers will be selected using a random sample to ensure statistical validity. |
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| A third random sample can also be used and the number marked, once, twice, or not at all, is used to estimate the total population size. |
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| The MRTS uses a stratified design with simple random sample selection in each stratum. |
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| Those studied were all cancer specialists and nurses, along with a random sample of primary care physicians, in the three study regions. |
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| To account for this random sample, the consulate made sure to select families living in different counties. |
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| Information relating to the random sample should be distinguished from that related to other samples. |
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| The survey was mailed to a random sample of pediatricians, psychiatrists, obstetricians and gynecologists, midwives and family physicians. |
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| This cannot be said to be a truly random sample of either the cannabis seized or the cannabis available in a society. |
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| It was not possible to select a random sample of live-in workers at each holiday centre due to difficulties in constructing a complete sampling frame of the target population. |
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| A pollster selects a random sample of voters, calls them up on the telephone, and asks who the respondent would vote for if the election were being held today. |
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| Cluster sampling is a sampling technique where the entire population is divided into groups, or clusters, and a random sample of these clusters is selected. |
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| Nicholas Glozier and his associates also resurveyed a random sample of 2,937 respondents 12-18 months later. |
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| It was based on teachers who chose to respond, not a random sample. |
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| These findings are corroborated by an examination of a random sample of 25 employees who can be considered to be representative of the Agency's staff. |
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| The investigation did not reveal whether this was a common practice because only a visual inspection of a large enough random sample of existing welds could give an accurate estimate of the potential risks. |
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| Since the survey was not a random sample of staff but a directed survey aimed at staff with operational expertise, statistical validity cannot be assessed. |
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| The commission recommended completely redoing the vote after auditing a random sample of about 13,000 ballots. |
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| The newspaper conducted a random sample of five hundred American teenagers. |
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| The program computes all the students' grades, then selects a random sample for human verification. |
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| Use Benford's Law, a statistical formula for evaluating the frequency of given values in a random sample, to expose implausible numeric data. |
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| In particular, irregularities detected in the complementary sample shall not be taken into account when the error rate of the random sample is calculated. |
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| Now, however, officials say the National Center for Educational Statistics will conduct a random sample from just 300 schools. |
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| A representative random sample of children and young persons aged 6-24 from local educational facilities is to provide the basis for designing an overall strategy capable of achieving the above goals. |
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| It is true that a random sample of high-school seniors who were likely to graduate were given a GED, and 40 percent did not pass. |
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| A simple random sample can be as much as two to three times larger than a well-designed complex sample. |
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| The mathematics of inferential statistics requires a random sample. |
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| A random sample of doctors from around the country were selected for the study. |
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| If all strata are identical populations, conventional control charts would act as if the stratified sample was a random sample from that common population. |
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