The Not-so-Random Drunkard's Walk

被引:0
|
作者
Ehrhardt, George [1 ]
机构
[1] Appalachian State Univ, Boone, NC 28608 USA
来源
JOURNAL OF STATISTICS EDUCATION | 2013年 / 21卷 / 02期
关键词
Data Set and Story; Random Walk; Probability; Test of Sample Proportion;
D O I
10.1080/10691898.2013.11889679
中图分类号
G40 [教育学];
学科分类号
040101 ; 120403 ;
摘要
This dataset contains the results of a quasi-experiment, testing Karl Pearson's "drunkard's walk" analogy for an abstract random walk. Inspired by the alternate hypothesis that drunkards stumble to the side of their dominant hand, it includes data on intoxicated test subjects walking a 10' line. Variables include: the direction to which subjects first stumbled, the side of the line on which they ended up, and a record of subjects' dominant hand. In addition to enhancing a discussion of the random walk itself, instructors may find this dataset useful for teaching tests of sample proportions.
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