Collection of D...

How sample method is differ from census method on the basis of cost?

Which type of data is contained in the census of India?

When scope of enquiry is limited and the universe containing a unit having different characteristics make the intensive study of each unit desirable, which method is more suitable?

Some questions be asked from informants on trial basis, if their answers involve some difficulty these can be reframed accordingly .Such testing is called

Sugar Mills association publishes information regarding sugar mills in India. It is a source of data from _______.

In ____ information is recorded by the informants themselves whereas in ____ information as supplied by the informants is recorded by the enumerators.

Indirect Oral Investigation is suitable where

An advertising manager is keen to know whether his advertising copy will be successful. He can have a preview screening and listen to the comments of experts. It is an example of

The method in which information is collected from third party is known as ______.

Match the following, options are