Unformatted text preview: your sample to a single state if you wanted to study the national popularity of the President. We will typically assume that a sample from a population is a simple random sample (SRS) . When constructing an SRS, each group of n elements in the population is equally likely to be our selected sample of n elements. Example If n = 4 , then the two samples below (each represented by four black squares) are equally likely to be selected: Note : When constructing a random sample in general, each individual element is equally likely to be among those selected for the sample, but some groups of n elements may be more likely to be selected than others. Selections could be linked....
View Full Document
- Fall '09
- Sampling Methods, representative