Select Board & Class


Data Handling

Data is defined as a collection of numbers which give the required information. For example, marks scored by the students in a class, number of members in a family, number of books sold etc.

Data are of two types:

(i) Primary data: It is the data collected by the person directly for a specific purpose without referring any source. Primary data is collected through surveys, local sources etc.

(ii) Secondary data: It is the data collected through other sources like research organizations, financial institutions etc. 

The original form of data is called raw data. But when the data is arranged in ascending or …

To view the complete topic, please

What are you looking for?