MAT 121 Lecture Notes - Lecture 2: Stratified Sampling, Royal Institute Of Technology, Jacques Louis Randon

• School: Syracuse University
• Department: Mathematics
• Course: MAT 121
• Professor: John

Document Summary

Every group of n individuals has the same chance (probability) of being in the sample. Every group of n individuals has the same probability of being the sample. Then, we randomly select some of those clusters and choose all of the members from those selected clusters: think: voting precincts. Blind testing - subject does not know if he has received the treatment or not. Double blind testing - administrator of treatment does not know himself which treatment he is giving to the subject.