12.1. ESTIMATING A POPULATION AVERAGE 
AND SIGMA S
Here are two ways of determining the population 
and S. You can estimate a population average 
and sigma S from the 
and s of a large sample with a minimum sample size of n = 30. Assume that the population average and sigma are the same as that of the large sample.
You can also estimate the population ...
Get Statistics for Six Sigma Made Easy now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
