Collection of Data — Economics STD 11 Commerce — Question

Develop a complete plan for survey: It is important to draw a complete plan for a statistical survey before we start collecting data actually. Decide whether to adopt census method or sample method: For conducting survey on any issue, the investigator has two options sample and census. Which method will depend on budget, availability of time and accuracy requirement?
Preparing Questionnaire: Designing the questionnaire is influenced by many considerations like number of questions to be included, language of questions, types of questions, ordering of the questions etc.
Mode of Distribution of Questionnaire: There are different ways in which questionnaire can be sent. It can be for personal or by post or by e-mail. In personal it can be filled either by respondent or enumerator.