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Definition
the science of collecting, organizing, presenting, analyzing, and interpreting numerical data to assist in making more effective decisions |
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Definition
methods of organizing, summarizing, and presenting data in an informative way |
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Definition
A decision, estimate, prediction, or generalization about a population, based on a sample. |
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Term
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Definition
population = collection of all possible individuals, objects, or measurements of interest
sample = a portion, or part, of the population of interest |
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Term
Qualitative or Attribute variable |
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Definition
a nonnumeric characteristic or variable being studied |
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Term
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Definition
numeric characteristic or variable being studied |
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Term
Discete Quantitative Variable |
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Definition
can only assume certain "discrete" values and there are usually “gaps” between values |
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Continuous Quatitative Variable |
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Definition
can assume any value within a specified range. |
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