______________ is known as method of complete enumeration.
Sample survey
Pilot survey
Census
None of these
In a ______________, every individual is given an equal chance of being selected for providing information.
Random sampling
Non-random sampling
Sampling errors
Non-sampling errors
The most common type of instrument used in survey is _____________.
Questionnaire
__________ method, the investigator asks questions over the telephone.
Personal interview
Telephone interview
Sampling
Mailing questionnaire
_____________ is a tool,which helps in understanding problems by providing information.
Data
Information
Survey
____________ questions are used to get more than just a one word answers.
Open ended
Closed ended
Interview
______________ method is cheaper.
___________ refers to the differences between the sample estimate and the actual value of a characteristic of the population.
A survey which includes every element of the population is known as ______________.
There are ________ main types of sampling.
Two
Three
Four
Five