Introductory Statistics (1) Flashcards
Data
Recorded values whether numbers or labels, together with their context
Data Table
An arrangement of data in which each row represents a case and each column represents a variable
Context
The context ideally tells who was measured, what was measured, how the data were collected, where the data were 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 or for whom data values are recorded. If human, then usually called subjects or participants.
Record
Information about an individual in a database.
Sample
A subset of a population, examined in hope of learning about the population.
Population
The entire group of individuals or instances about whom we hope to learn.
Variable
This holds information about the same characteristic for many cases.
Categorical Variable
A variable that names categories with words or numbers. (no units of measure). Also called Qualitative Variables
Qualitative Variable
A variable that names categories with words or numbers. (no units of measure). Also called Categorical Variable
Nominal Variable
The term “nominal” can be applied to a variable whose values are used only to name categories.
