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" Results from nonprobability samples cannot be used to make inferences about a population because in a nonprobability sample, some elements of the population being studied have no chance or an unknown chance of being selected as part of the sample. "
Bridging the Tax Gap: Hearing Before the Committee on Finance, United States ... - Seite 75
von United States. Congress. Senate. Committee on Finance - 2004 - 380 Seiten
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Discussion Draft on the Pipeline Safety Improvement Act ..., Band 4

United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Energy and Air Quality - 2006 - 88 Seiten
...nonprobabili I y samples cannot be used to make inferences about a population because, in a nonprobabiiity sample, some elements of the population being studied have no chance or have an unknown chance of being selected as part of the sample. proposal after it receives our report...
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Foreign assistance enhanced coordination and better methods to assess the ...

156 Seiten
...'Results from nonprobability samples cannot be used to make inferences about a population because, in a nonprobability sample, some elements of the population...unknown chance of being selected as part of the sample. top recipients of USAID's basic education funding are predominately Muslim countries and countries...
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Invasive Forest Pests

2007 - 114 Seiten
...[1] Results from nonprobability samples cannot be used to make inferences about a population because, in a nonprobability sample, some elements of the population...unknown chance of being selected as part of the sample. APPENDIX III [1] The Asian longhorned beetle is also known by its scientific name, Anoplophora glabripennis....
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Disaster Assistance: Better Planning Needed for Housing Victims of ...

David G. Wood - 2007 - 92 Seiten
...2. Results from nonprobability samples cannot be used to make inferences about a population, because in a nonprobability sample, some elements of the population...unknown chance of being selected as part of the sample. Although the findings we collected do not generalize to all victims of Hurricanes Katrina, when coupled...
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Leaking Underground Storage Tanks: EPA Should Take Steps to Better Ensure ...

128 Seiten
...for 3Results from nonprobability samples cannot be used to make inferences about a population because in a nonprobability sample, some elements of the population...unknown chance of being selected as part of the sample. Objectives, Scope, and Methodology these questions. Additionally, most survey questions that asked...
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Aviation Security: TSA Oversight of Checked Baggage Screening Procedures ...

2006 - 60 Seiten
...criteria. Results from nonprobability samples cannot be used to make inferences about a population because in a nonprobability sample, some elements of the population...chance of being selected as part of the sample. We conducted our work from August 2004 through July 2006 in accordance with generally accepted government...
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Wind Power: Impacts on Wildlife and Government Responsibilities for ...

United States. Government Accountability Office - 2005 - 64 Seiten
...studies Results from nonprobability samples cannot be used to make inferences about a population because in a nonprobability sample, some elements of the population...unknown chance of being selected as part of the sample. show relatively lower bird and bat mortality. However, bat estimates are less precise because most...
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Nuclear waste better performance reporting needed to assess DOE's ability to ...

2005 - 53 Seiten
...at Results from nonprobability samples cannot be used to make inferences about a population, because in a nonprobability sample some elements of the population...unknown chance of being selected as part of the sample. Appendix I: Scope and Methodology DOE headquarters and various sites. For many of the sites, we reviewed...
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Endangered species more federal management attention is needed to improve ...

United States. General Accounting Office - 2004 - 113 Seiten
...review.) Results from nonprobability samples cannot be used to make inferences about a population because, in a nonprobability sample, some elements of the population...unknown chance of being selected as part of the sample. R6SllltS in Bri6f ^he ^ ata ava il a ble on consultations completed and their timeliness for fiscal...
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National Parks Air Tour Management Act: More Flexibility and Better ...

United States. Government Accountability Office - 2006 - 69 Seiten
...5 Results from nonprobability samples cannot be used to make projections about a population because in a nonprobability sample, some elements of the population...unknown chance of being selected as part of the sample. officials at headquarters and at field offices. A more detailed description of our scope and methodology...
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