- Dean, S., & Illowsky, B. (2008, October 24). Elementary Statistics: Video Lecture - Confidence Intervals. Retrieved from the Connexions Web site: http://cnx.org/content/m17569/1.6/
- Excel Statistics 75: Point Estimates & Sampling Error:
- HyperStat Online Contents - Inferential statistics: http://davidmlane.com/hyperstat/A29136.html
- Confidence interval applets: http://www.stat.tamu.edu/~west/applets/ci.html, http://www.stat.tamu.edu/~jhardin/applets/signed/intro.html
- Statistical terms in sampling (Research Methods Knowledge Base): http://www.socialresearchmethods.net/kb/sampstat.php
- How to create confidence interval in Excel:
- Free online calculator that computes the estimation error: http://www.wessa.net/sample_esterr.wasp
- Sample Size Calculator - Confidence Level, Confidence Interval, Sample Size, Population Size, Relevant Population - Creative Research Systems: http://www.surveysystem.com/sscalc.htm
Last modified: Monday, October 11, 2010, 1:21 AM