Stats Study Guide Exam 4
Chapter 18: Inference about a Population Mean
Online Notes Here are the conditions needed for realistic inference about a population mean: CONDITIONS FOR INFERENCE ABOUT A MEAN We can regard our data as a simple random samp
Ch. 1 - Basics
o Individuals: objects described by a set of data
o Variable: any characteristic of an individual
o Ask questions when exploring data:
Who are the individuals?
What and how many variables are there?
Ch. 8 Producing Data: Sampling
Online Notes Observational study: observes individuals and measures variables of interest but does not attempt to influence the responses. The purpose of an observational study is to describe some group or situation. E