Abstract
This paper investigates students' emerging inferential reasoning about samples and sampling through observation of 13- to 14-year-olds, challenged to infer aspects of an unknown population in an inquiry-based environment. This paper reports on how students working with TinkerPlots focus on changing aspects of the samples as the sample size grew larger. Students made connections to key statistical concepts during the process of growing samples and quantified the level of confidence about their informal statistical inferences. They generally recognized the relationship between the sample size and the confidence interval for a given confidence level.
| Original language | English |
|---|---|
| Title of host publication | Mathematics: Traditions and [New] Practices - Proceedings of the AAMT-MERGA Conference |
| Editors | Julie Clark, Barry Kissane, Judith Mousley, Toby Spencer & Steve Thornton |
| Place of Publication | Adelaide, Australia |
| Publisher | Mathematics Education Research Group of Australasia (MERGA) |
| Pages | 640-648 |
| ISBN (Print) | 9781875900695 |
| Publication status | Published - 31 Dec 2011 |
| Event | AAMT 23/MERGA 34: 23rd Biennial Conference of the Australian Association of Mathematics Teachers & 34th Annual Conference of the Mathematics Education Research Group of Australasia - Alice Springs, Australia Duration: 3 Jul 2011 → 7 Jul 2011 |
Conference
| Conference | AAMT 23/MERGA 34: 23rd Biennial Conference of the Australian Association of Mathematics Teachers & 34th Annual Conference of the Mathematics Education Research Group of Australasia |
|---|---|
| City | Alice Springs, Australia |
| Period | 3/07/11 → 7/07/11 |
Keywords
- Secondary Education
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