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Definition
the science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answer questions 


Term

Definition
a numerical summary of a population 


Term

Definition
a numerical summary of a sample 


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Definition
the entire group to be studied 


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Definition
a subset of the population that is being studied 


Term

Definition
a controlled study conducted to determine the effect of varying one or more explanatory variables 


Term

Definition
an investigation about the characteristics of a given population by means of collecting data from a sample of that population and estimating their characteristics through the systematic use of statistical methodology 


Term

Definition
consist of organizing and summarizing data 


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Definition
uses methods that take a result from a sample and measure the reliability of the result 


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Definition
a quantitative variable that has an infinite number of possible values that are not countable 


Term

Definition
a quantitative variable that has either a finite number of possible values or a countable number of possible values 


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Definition
allows for classification based on some attribute or characteristic 


Term

Definition
provide numerical measures for individuals 


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Definition
if every possible sample has an equally likely chance of occurring 


Term

Definition
the individuals in the sample decided themselves to participate in a survey 


Term

Definition
a sample in which the individuals are easily obtained and not based on randomness 

