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Illustration of Regression towards the Means
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Govindaraju, K.; Haslett, S. J. – International Journal of Mathematical Education in Science and Technology, 2008
This article presents a procedure for generating a sequence of data sets which will yield exactly the same fitted simple linear regression equation y = a + bx. Unless rescaled, the generated data sets will have progressively smaller variability for the two variables, and the associated response and covariate will "regress" towards their…
Descriptors: Regression (Statistics), Mathematics Instruction, Equations (Mathematics), Graphs
Student Teachers Discover Mathematics in Industry
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Fensham, P. J.; Davison, D. M. – International Journal of Mathematical Education in Science and Technology, 1972
As part of their teacher training course, graduate students visited several industries to find what mathematics was in use. (MM)
Descriptors: Arithmetic, Geometry, Graphs, Mathematical Applications
Computer Graphics in Undergraduate Statistics
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Wegman, Edward J. – International Journal of Mathematical Education in Science and Technology, 1974
The use of computer graphics in an introductory statistics course is described. The advantages over more traditional diagrammatic representations are discussed and an outline is given of two computer-supported graphic display systems. A description is also provided of an experiment, designed to evaluate the influence of such graphic aids. (JP)
Descriptors: College Mathematics, Computer Assisted Instruction, Computer Graphics, Course Descriptions