Secondary data may be either in the published or unpublished form. The nature of the sources of the published data is quite different from the unpublished data. However, the different sources of the published and unpublished data are presented here as under: (i) Published Sources: The sources of the published secondary data can be broadly […]
Sources of Secondary Data | Research Methodology
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Secondary Data and Its Evaluation | Research Methodology
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Secondary data are those which have already been collected by someone else and which have already been passed through the statistical process. Usefulness of Secondary Data: 1. Cost of collecting data save so it is more economical. 2. Most of the secondary data are ‘Instant’ since they already exist and merely need to be discovered. […]