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1.1 What is Statistics
Vocabulary
13
Mathematics
11th Grade
04/22/2014

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Term
Statistics
Definition
The study of how to collect, organize, analyze, and interpret numerical information from data.
Term
Individuals
Definition
People or objects included in a study
Term
Variable
Definition
A characteristic of the individual to be measured or observed.
Term
Quantitative Variable
Definition
Variable with value or numerical measurement
Term
Qualitative Variable
Definition
Variable that describes an individual into a category or group, such as male or female.
Term
Population Data
Definition
Data from every individual of interest.
Term
Sample Data
Definition
Data from only some of the individuals of interest.
Term
Parameter
Definition
Numerical measure that describes an aspect of a population.
Term
Statistic
Definition
A numerical measure that describes an aspect of a sample.
Term
Nominal
Definition
  • Data that consists of names, labels, or categories.

 

  • No implied criteria by which to order data. 
Term
Ordinal
Definition
  • Data that can be arranged in order.

 

  • Differences between data values cannot be determined.
Term
Interval
Definition
  • Data that can be arranged in order.

 

  • Differences between data values are meaningful.
 
  • No true zero
Term
Ratio
Definition
  • Data that can be arranged in order.
 
  • Differences between data values are meaningful.
 
  • Data has a true zero.
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