STAT 3615 Study Guide - Comprehensive Final Exam Guide - Standard Deviation, Statistical Inference, Graph Of A Function
Document Summary
Statistics are numerical facts used to justify and argument (what is?) Statistics is a field of study loosely defined as the science of learning from data. (what is not?) We use math a lot, but statistics is mostly critical thinking and logic. Organization of statistics: descriptive consists of methods of collecting, organizing, summarizing, and presenting data is an informative way, numerical, graphical. Inferential a body of methods used to draw conclusions or inferences about characteristics of populations based on sample data: hypothesis testing, confidence intervals. What are data: data are facts or numbers with a context, note: data are often numerical, but not always. Data analysis: data analysis is the process of examining collected data to look for patterns or numerical indicators that capture the essence of what the data is telling us about the real world, collect, organize, analyze. Inferential statistics: various methods that are appropriate for different questions and different types of data sets.
