b 2x + 3y = 2 7x - y = 3

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...