There are _________ basic ways of collecting data.
Two
Three
Four
Five
____________ helps in pretesting of the questionnaire.
Sample survey
Pilot survey
Personal interview
None of these
______________ method is less expensive.
Mailing questionnaire
Telephone interview
All of these
Raw data is also known as ____________.
Primary data
Secondary data
Survey
___________ method is expensive.
___________ saves time and cost.
______________ method is cheaper.
Sampling
The purpose of the survey is to ______________.
Collect data
Frequency distribution
Information
______________ is known as method of complete enumeration.
Census
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
