Q1.Data originally collected in the process of investigation are known as
Answer : Option BExplaination / Solution:
It is primary data because the information or data collected through investigstion is directly from the field. It is not from any other recorded sources.
Answer : Option DExplaination / Solution:
It is Secondary data because the information or data collected is from some other recorded sources or other agencies who have already collected the information through investigstion or survey.
Q5.The method of generalizing data collected from a few units out of the entire population is called _____.
Answer : Option AExplaination / Solution:
The data is collected from a handfull of population and the conclusion is generalized to the whole population. Concluding the quality of rice by checking only few grains of it, is a daily life example of sampling method.
Answer : Option CExplaination / Solution:
The Census Method is also called a complete enumeration method wherein each and every item in the universe is selected for the data collection. The universe might constitute a particular place, a group of people or any specific locality which is the complete set of items and which are of interest in any particular situation.
Q7.Data collected by research institutions , scholars , trade associations but not published is
Answer : Option AExplaination / Solution:
Because the data has not been published, it is known as unpublished data. Still the data from these sources may be used when needed.
Q8.The problem of doubtful conclusion arises mainly in
Answer : Option AExplaination / Solution:
In this method , because the data is collected through indirect sources it may lead us to doubtful conclusion due to ignorance and carelessness of the witness.
Q9.A person who actually collect the desired information is called _______.
Answer : Option DExplaination / Solution:
An enumerator is the person who collects data on the behalf of an investigator( an individual or an organisation).