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Are collections of observations (such as measurement, genders, and survey responses). |
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| Is the science of planning studies and experiments, obtaining data, and then organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on the data. |
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| Is the complete collection of all individuals (scores, people, measurements, and so on) to be studied. The collection is complete in the sense that it includes all of the individuals to be studied. |
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Is the collection of data from every member of the population. |
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| Is a sub-collection of members selected from a population. |
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is a numerical measurement describing some characteristic of a population. |
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is a numerical measurement describing some characteristic of a sample. |
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Consists of numbers representing counts or measurements. Ex. “ages” |
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Consists of names or labels that are not numbers representing counts. |
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| When the number of possible values is either a finite number of countable. |
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Infinitely many possible values, that corresponds to some continuous scale. |
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