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Data. The term data refers to qualitative or quantitative attributes of a variable or set of variables. Primary & Secondary data. Data observed or collected directly from first-hand experience is called primary data.
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Data • The term data refers to qualitative or quantitative attributes of a variable or set of variables.
Primary & Secondary data Data observed or collected directly from first-hand experience is called primary data. Published data and the data collected in the past or other parties is called secondary data
Method of collecting primary data • Interview or personal investigation method • Observation or indirect • Investigation through appointment of investigator • Investigation through questionnaires • Mailed questionnaires • Telephonic interview • E-mail method
Method of collecting secondary data • International organization. Ex: UNO, IMF, WB, ILO, FAO • Government and semi-government organization. Ex: PSC, LGRD, EC, UGC • Commercial organization. Ex: DSE, CSE, FBCCI • Newspaper periodicals. Ex: Times, News Week, The Economist