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Statistics Chapter 2
N/A
10
Mathematics
12th Grade
09/22/2009

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Cards

Term
Context
Definition
Who, What, How, Where, When, and Why
Term
Data
Definition
systematically recorded information, whether numbers or labels, together with its context
Term
Data table
Definition
an arrangement of data in which each row represents a case and each column represents a variable
Term
Case
Definition
an individual about whom or which we have data
Term
Population
Definition
all the cases we wish we knew about
Term
Sample
Definition
the cases we actually examine in seeking to understand the much larger population
Term
Variable
Definition
holds information about the same characteristic for many cases
Term
Units
Definition
a quantity or amount adopted as a standard of measurement, such as dollars, hours, or grams
Term
Categorical variable
Definition
a variable that names categories
Term
Quantitative variable
Definition
a variable in which the numbers act as numerical values, always has units
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