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refers to inaccuracies in the values of the data recorded. In surveys,the error may be due to ambiguous or leading questions and the interviewer's effect on the respondent |
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results when the researchers conducting a survey or study are unable to obtain data on all experimental units selected for the sample |
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results when a subset of the experimental units in the population is excluded so that these units have no chance of being selected in the sample |
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involves applying rational thought and the science of statistics to critically assess data and inferences |
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exhibits characteristics typical of those possessed by the target population |
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measurements that cannot be measured on a natural numerical scale; they can only be classified into one of a group of categories |
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measurements that are recorded on a naturally occurrintg numerical scale |
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a statement (usually quantified) about the degree of uncertainty associated with a statistical inference |
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an estimate, prediction, or some other generalization about a population based on information contained in a sample |
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a subset of units of a population |
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a characteristic or property of an individual population unit |
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an object (e.g., person, thing, transaction, or event) upon which we collect data |
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utilizes sample data to make estimates, decisions, predictions, or other generalizations about a larger set of data |
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utilizes numerical and graphical methods to looks for patterns in a data set, to summarize the information revealed in a data set, and to present that information in a convenient form |
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the science of data. This involves collecting, classifying, summarizing, organizing, analyzing, and interpreting numerical information. |
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a sample of 'n' experimental units selected from the population in such a way that every different sample of size 'n' has an equal chance of selection |
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