Abstract
The two previous lessons have shown us the ways in which most data arise in Public Health. The first way passes through systematic recording in registers. There, data are usually measured and recorded for all units of the target population, for example for all consultations in the outpatient ward of the District Hospital of the district of Quynh Phu during the month of January 2011. The second way leads through sampling. Having drawn a sample of units from a given target population we are dealing with “sample data”. They are data that were measured and recorded only for the units in the sample, that is, in the study population. In addition there are the unknown “population data” in the target population.
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© 2012 Springer Science+Business Media, LLC
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Krickeberg, K., Pham, V.T., Pham, T.M.H. (2012). Descriptive Data Analysis and Statistics. In: Epidemiology. Statistics for Biology and Health. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-1205-2_13
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DOI: https://doi.org/10.1007/978-1-4614-1205-2_13
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Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4614-1204-5
Online ISBN: 978-1-4614-1205-2
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