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Definition
| the science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answer questions |
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Definition
| a numerical summary of a population |
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Definition
| a numerical summary of a sample |
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Definition
| the entire group to be studied |
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| a subset of the population that is being studied |
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Definition
| a controlled study conducted to determine the effect of varying one or more explanatory variables |
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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 |
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Term
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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 |
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Term
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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 |
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Definition
| provide numerical measures for individuals |
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Definition
| if every possible sample has an equally likely chance of occurring |
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Definition
| the individuals in the sample decided themselves to participate in a survey |
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Term
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Definition
| a sample in which the individuals are easily obtained and not based on randomness |
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