GWASs in human populations have discovered hundreds of SNPs significantly associated with complex traits 1,2, yet for any one trait they typically account for only a small fraction of the genetic ...

This example illustrates the use of regression analysis in a simple random cluster sampling design. The data are from S rndal, Swenson, and Wretman (1992, p. 652). A total of 284 Swedish ...

Central Limit Theorem: A sampling distribution of the mean is approximately normally distributed if the sample size is sufficiently large. This is true no matter what the population distribution is.