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ERIC Number: EJ894772
Record Type: Journal
Publication Date: 2010-May
Pages: 29
Abstractor: As Provided
Reference Count: 47
ISBN: N/A
ISSN: ISSN-1570-1824
Making Comparisons between Observed Data and Expected Outcomes: Students' Informal Hypothesis Testing with Probability Simulation Tools
Lee, Hollylynne Stohl; Angotti, Robin L.; Tarr, James E.
Statistics Education Research Journal, v9 n1 p68-96 May 2010
We examined how middle school students reason about results from a computer-simulated die-tossing experiment, including various representations of data, to support or refute an assumption that the outcomes on a die are equiprobable. We used students' actions with the software and their social interactions to infer their expectations and whether or not they believed their empirical data could be used to refute an assumption of equiprobable outcomes. Comparisons across students illuminate intricacies in their reasoning as they collect and analyze data from the die tosses. Overall, our research contributes to understanding how students can engage in informal hypothesis testing and use data from simulations to make inferences about a probability distribution. (Contains 7 figures and 2 tables.)
International Association for Statistics Education and the International Statistical Institute. PO Box 24070, 2490 AB The Hague, The Netherlands. Tel: +31-70-3375737; Fax: +31-70-3860025; e-mail: isi@cbs.nl; Web site: http://www.stat.auckland.ac.nz/~iase/serj
Publication Type: Journal Articles; Reports - Research
Education Level: Grade 6; Middle Schools
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A