______________ method is cheaper.
Personal interview
Mailing questionnaire
Telephone interview
Sampling
____________ method is used when the researcher has access to all the members.
Sample survey
____________ questions are used to get more than just a one word answers.
Data
Closed ended
interview
Open ended
The most common type of instrument used in survey is
Census
Random sampling
Questionnaire
Sample method
There are _________ basic ways of collecting data.
Two
Three
Four
Five
Raw data is also known as
Survey
Secondary data
Primary data
The difference between the actual value of a parameter of the population and its estimate is the
Non - random sampling
Non - sampling error
Sampling error
A survey which includes every element of the population is known as
Pilot survey
____________ refers to a group or section of the population from which information is to be obtained.
Sample
Random
The data collected and processed by some other agency are called