Question
What are the sources of data ?
Solution
Statistical data can be obtained from two sources. The enumerator may collect the data by conducting an enquiry or an investigation such data are called primary data. They are based on first hand information.
It the data are collected and processed by some other agency, they are called secondary data. Generally the published data are secondary data. They can be obtained either from published sources or from any other source. Use of secondary data saves the time and cost.
