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Section 1.1
Preview_Probability & Statistics - Math 1530
Term | Definition |
---|---|
Data | Collections of observations (such as measurements, genders survey responses). |
Statistics | The science of planning studies and experiments, obtaining data, and then organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on the data. |
Population | 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. |
Census | the collection of data from every member of the population |
Sample | Subcollection of members selected from a population. |
Voluntary Response Sample | A sample for which the respondendents themselves decide whether to be included. |