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Week 7 Ch. 5 Tying in data with parameters Simple random sample (SRS): a sample of n elements obtained by a method so that any two collections of n elements are equally likely of being selected as the sample - n denotes sample size - you get in big trouble in statistics if you use biased samples - Two types: 1. Sampling with replacement a. Means that you allow an element to appear repeatedly in the sample 2. Sampling without replacement a. An element may appear at most one time in the sample - For a large population, there will be little difference in sampling with and without replacement o If we have a choice between binomial and hypergeometric, we choose binomial– sampling with replacement ma