[Statistical Sciences 2244A/B] - Final Exam Guide - Comprehensive Notes for the exam (27 pages long!)
29 Nov 2016
School
Department
Professor
Document Summary
S t a t i s t i c a l s c i e n c e s 2 2 4 4 a / b. To obtain a proper sample design, find exactly what population we want to describe and what we want to measure. o. Not all stat studies use samples that are drawn directly from the entire population of interest. Experiments use samples from an entire population of interest. Statistical interference: process of drawing conclusions about a population on the basis of sample data. o. Infer information about polulation from what is known about the sample. Sampling design: describes how exactly to choose a sample from the population. Bias: result when the design for stat studies favours certain outcomes. Sample chosen by chance allows to avoid bias. Probability sample: a sample chosen by chance. o. Probability sampling designs are simple random sampling, stratified random sampling or multistage random sampling.
