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Stack, Sue; Watson, Jane – Australian Mathematics Teacher, 2013
There is considerable research on the difficulties students have in conceptualising individual concepts of probability and statistics (see for example, Bryant & Nunes, 2012; Jones, 2005). The unit of work developed for the action research project described in this article is specifically designed to address some of these in order to help…
Descriptors: Secondary School Mathematics, Grade 10, Mathematical Concepts, Probability
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Calmettes, Guillaume; Drummond, Gordon B.; Vowler, Sarah L. – Advances in Physiology Education, 2012
A jack knife is a pocket knife that is put to many tasks, because it's ready to hand. Often there could be a better tool for the job, such as a screwdriver, a scraper, or a can-opener, but these are not usually pocket items. In statistical terms, the expression implies making do with what's available. Another simile, of an extreme situation, is…
Descriptors: Statistical Analysis, Computation, Population Distribution, Evaluation Methods
Occupational Outlook Quarterly, 2012
The labor force is the number of people ages 16 or older who are either working or looking for work. It does not include active-duty military personnel or the institutionalized population, such as prison inmates. Determining the size of the labor force is a way of determining how big the economy can get. The size of the labor force depends on two…
Descriptors: Population Growth, Labor Force, Labor Economics, Labor Supply
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Shelly, Bryan – Educational Policy, 2012
The federal government promised that it would limit waiver grants to states for the No Child Left Behind Act of 2001 (NCLB). It largely kept that promise, but states did gain significant flexibility through amendments to accountability plans. OLS model estimates showed that larger, more affluent, and more Republican states submitted more amendment…
Descriptors: Federal Legislation, Federal Government, Accountability, Educational Policy
Ryan, Camille L.; Siebens, Julie – US Census Bureau, 2012
This report provides a portrait of educational attainment in the United States based on data collected in the 2009 American Community Survey (ACS) and the 2005-2009 ACS 5-year estimates. It also uses data from the Annual Social and Economic Supplement (ASEC) to the Current Population Survey (CPS) collected in 2009 and earlier, as well as monthly…
Descriptors: Educational Development, Educational Attainment, Community Surveys, Gender Differences
Neugebauer, Roger – Exchange: The Early Childhood Leaders' Magazine Since 1978, 2005
While Americans obsess over childhood concerns about obesity and the Internet, vastly greater numbers of children around the world are dealing with more basic survival issues. To put the world of childhood in some perspective, the author reviews a bevy of demographic statistics about young children. In this article, the author has noted…
Descriptors: Mortality Rate, Population Distribution, Demography, Literacy