Question

Define the types of data on the basis of collection.

Answer 1

On the basis of collection, data are of two types. They are primary data and secondary data.
[1 mark]
(1) Primary data:
Primary data means the raw data (not tailored data) which has just been collected from the original source and has not gone any kind of statistical treatment like sorting and tabulation.

Example :
List of absentees in the class.
[1 mark]

(2) Secondary Data
Secondary data consists of second hand information which has already been collected. It could have been collected by someone other than the user, for some other purpose.
Example:
Cricket scores gathered from a website.
[1 mark]