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Statistics Chpt One

All of the AP stats stuff for chapter one

TermDefinition
Statistics The science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answer questions. In addition, stats is about providing a measure of confidence in any conclusions
Data a fact or proposition used to draw a conclusion or make a decision
Population the entire group of individuals to be studied
individual member of a population
sample subset of a population that is studied
inferential statistics uses methods that take a result from a sample and extend it to the population, measuring the reliability of the result
parameter a numerical summary of a population
descriptive stats describes the population without making any general conclusions about the population
process of statistics identify the research objective. collect the data needed to answer the questions. perform inference
variables the characteristics of the individuals within the population
approach a way to look at and organize a problem so that it can be solved
discrete can be counted
continuous can be measured
nominal lvl of measurement values of the variable name, label, or categorize
ordinal lvl of measurement naming scheme allows for values to be ranked
interval lvl of measurement differences in the values of the variable have meaning
ratio zero expresses absence
confounding occurs when the effects of two or more explanatory variables are not separated
lurking variable ex
Created by: slinn
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