What is the difference between Primary Data and Secondary Data?

Question

Points of DifferencePrimary DataSecondary Data1. OriginalityThese are original.These are collected by original investiga...

Accepted Answer

Points of DifferencePrimary DataSecondary Data1. OriginalityThese are original.These are collected by original investiga...

Points of Difference	Primary Data	Secondary Data
1. Originality	These are original.	These are collected by original investigator but if used by others become secondary.
2. Accuracy	These are accurate.	These may not be as accurate as may be required.
3. Need of modification	No need, as they are suitable. Since these are collected according to the need and objectives.	Yes, there is a need of modification as these may have to be adjusted so as to suit the requirement of the enquiry.
4. Precaution	No precaution.	Precaution is necessary as this has been collected by someone else.
5. Cost	Costlier	Less costlier.