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Stats Start Here
Unit 1 Chapter 1 (AP Stats)
| Term | Definition |
|---|---|
| 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
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