A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...

Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test ...

A simple protocol to introduce random mutations, named error-prone rolling circle amplification (RCA), is described. A template plasmid is amplified by RCA in the presence of MnCl 2 and used for ...