___________ method is expensive.
Telephone interview
Personal interview
Mailing questionnaire
None of these
______________ method is cheaper.
Sampling
Raw data is also known as
Survey data
Secondary data
un processed data
Sample data
____________________ method cannot be used by illiterates.
______________ is based on first hand information.
Primary data
Census method
______________ method is less expensive.
All of these
The purpose of the survey is to
Collect data
Frequency distribution
Information
Presenting data
The data collected and processed by some other agency are called
Sample survey
Random sampling
____________ questions are used to get more than just one word answers.
Data
Closed ended
Interview
Open ended
In __________ method the investigator asks questions over the telephone.