2.8 DATA SOURCES AND COLLECTION METHODS
There are tow type for collecting data 1. Primary data 2. Secondary data PRIMARY DATA Primary data are those which are colleted a fresh and for the first time & thus happen to be original in character.Primary data is obtained by the study specially designed to fulfill the data needs to problem hand. Such data are original in characters generated by the way of conducting survey.
SECONDARY DATA Secondary data are those which have already been collected by someone else and which have already been passed through the statistical process.The Secondary data consist of reality available compendices already complied statistical statements. Secondary data consists of not only published records and reports but also unpublished records.
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