DataThe 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 dataInterview or personal investigation methodObservation or indirect Investigation through appointment of

investigatorInvestigation through questionnairesMailed questionnairesTelephonic interviewE-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