PS296- Midterm Exam Guide - Comprehensive Notes for the exam ( 92 pages long!)
Document Summary
A: when your purpose is to just describe the data reporting on measures such as the mean, describing what the data has to say (no inferences) A: inferring characteristics of populations from characteristics from samples. Use statistics (of a sample) to infer values of parameters (population measures). Estimate parameters of two populations to see if they differ (population means) A: the entire collection of events in which you are interested in the scores of everyone the definition depends on what you are interested in studying. A: set of actual observations, subset of population. A: a sample in which each member of the population has an equal chance of inclusion. If were looking at difference or relationship 3. Points: decision tree- graphical representation of decisions involved in the choice of statistical procedures; A: the assignment of numbers to objects, with words, numbers and objects being interpreted loosely. A: characteristics of relations among numbers assigned to objects.
