« Problem 8.10 | Main | Confidence Intervals for a Sample Proportion »
November 03, 2005
Second Day of Statistics
The general theory:

My famous boat/net/target explanation for confidence intervals:


The basis for using Student's t distribution to determine the adjustment to the value from the standard normal table that is necessary because the sample variance of the data is used as an estimate of the unknown population variance.

Posted by bparke at November 3, 2005 08:18 PM