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Sanqui, Jose Almer T.; Arnholt, Alan T. – Teaching Statistics: An International Journal for Teachers, 2011
This article describes a simulation activity that can be used to help students see that the estimator "S" is a biased estimator of [sigma]. The activity can be implemented using either a statistical package such as R, Minitab, or a Web applet. In the activity, the students investigate and compare the bias of "S" when sampling from different…
Descriptors: Advanced Students, Regression (Statistics), Sampling, College Mathematics
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Tabor, Josh – Journal of Statistics Education, 2010
On the 2009 AP[c] Statistics Exam, students were asked to create a statistic to measure skewness in a distribution. This paper explores several of the most popular student responses and evaluates which statistic performs best when sampling from various skewed populations. (Contains 8 figures, 3 tables, and 4 footnotes.)
Descriptors: Advanced Placement, Statistics, Tests, High School Students
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Stier, Sam – Science Scope, 2010
Sampling, very generally, is the process of learning about something by selecting and assessing representative parts of that population or object. In the inquiry activity described here, students learned about sampling techniques as they estimated the number of trees greater than 12 cm dbh (diameter at breast height) in a wooded, discrete area…
Descriptors: Learning Activities, Sampling, Science Process Skills, Inquiry
Tatto, Maria Teresa, Ed. – International Association for the Evaluation of Educational Achievement, 2013
The Teacher Education and Development Study in Mathematics (TEDS-M), conducted under the aegis of the International Association for the Evaluation of Educational Achievement (IEA), was designed to inform policy and practice in mathematics teacher education. For educational policymakers, TEDS-M contributes data on institutional arrangements that…
Descriptors: Mathematics Teachers, Preservice Teacher Education, Elementary School Teachers, Secondary School Teachers
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Richardson, Alice – Journal of Statistics Education, 2007
The technique of distance sampling is widely used to monitor biological populations. This paper documents an in-class activity to introduce students to the concepts and the mechanics of distance sampling in a simple situation that is relevant to their own experiences. Preparation details are described. Variations and extensions to the activity are…
Descriptors: Sampling, Statistics, Instruction, Biology