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ype QuestionS
1. Define data. What are the main sources of data?
Answers
Answer:
The quantitative information about any element is known as data. It is expressed in numerical form. For example, the geographical area cultivable are, under crops etc. These numerical facts to describe an element are called data.
Sources of data collection: Two types of sources are used to collect data.
(i) Primary sources: In primary sources a researcher collects data himself in the original form. He himself surveys the area and collects the information. Generally the data is collected with the help of questionnaire.
(ii) Secondary sources: In secondary sources data is collected by government organisation and departments. Such sources of data include census report, statistical report etc, National Sample Survey reports and agricultural statistics. Data provided through secondary source may not often be adequate