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Carr, James R. – International Journal of Mathematical Education in Science and Technology, 2012
A well-known approach to linear least squares regression is that which involves minimizing the sum of squared orthogonal projections of data points onto the best fit line. This form of regression is known as orthogonal regression, and the linear model that it yields is known as the major axis. A similar method, reduced major axis regression, is…
Descriptors: Parks, Regression (Statistics), Least Squares Statistics, Natural Sciences
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Duncan, Michael B. – Journal of Natural Resources and Life Sciences Education, 2010
Concerns are growing regarding the availability of sustainable energy sources due to a rapidly growing human population and a better understanding of climate change. In recent years, the United States has focused much attention on developing domestic energy sources, which include coal-bed methane (CBM). There are vast deposits of the natural gas…
Descriptors: Learning Activities, Energy Education, Earth Science, Active Learning
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McClennen, Nate – Science Teacher, 2004
Events in a community can lead to valuable learning experiences in science. By the end of the summer of 2001, the Green Knoll Fire had burned almost 4000 acres of forest south of Wilson, Wyoming. This article describes how students at the Journeys School of Teton Science Schools participated in a collaborative project with the United States Forest…
Descriptors: Information Systems, Satellites (Aerospace), Chemistry, School Community Relationship