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Stats Start Here

Unit 1 Chapter 1 (AP Stats)

Data Systematically recorded information, whether numbers or labels, together with it's context.
Data Table An arrangement of data in which each row represents a case and each column represents a variable
Context Tells WHO was measured, WHAT was measured, HOW the data were collected, WHERE the data was collected, and WHEN and WHY the study was performed.
Case An individual about whom or which we have data
Respondent Someone who answers or responds to a survey
Subject A human experimental unit, also called a participant
Participant A human experimental unit, also called a subject
Experimental Unit An individual in a study for which of for whom data values are recorded
Record Information about an individual in a database
Variable Holds information about the same characteristic for many cases
Sample The cases we actually examine in seeking to understand the much larger population.
Population All the cases we wish we knew about
Identifier Variable A categorical variable that records a unique value for each case, used to name or identify it
Categorical Variable A variable that names categories (Whether words or numerals)
Quantitative Variable A variable in which the numbers act a numerical values . These variables always have units.
Units A quantity or amount adopted as a standard of measurement, such as dollars, hours, or grams.
Created by: MsDWatkins