Tag Archives: Confidence Interval for the Difference between Two Means

Six Sigma Confidence Intervals Tutorial

When we calculate a statistic for example, a mean, a variance, a proportion, or a correlation coefficient, there is no reason to expect that such point estimate would be exactly equal to the true population value, even with increasing sample sizes. There are always sampling inaccuracies, or error. In most Six Sigma projects, there are […]

Posted in Tutorials | Also tagged , , , , , , , , , , | 2 Responses