Complete collection, Population, Sample, statistical instrument, Data, Survey, Part of the collection, Sample, Quantitative, Investigator, Interview, Observation, use printed question, Questionnaire, Survey, person soliciting information, Interview, survey, source of collection, Ordinal, Journals, Data representation form, Tabular form, Nominal form, data representation by grap, Ordinal form, Graphical Form, Test score, Ordinal, Quantitative

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