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
What should be completed before the final survey commences?
Pilot survey
Sample survey
Personal interview
Telephone interview
____________ errors can arise in data acquisition,by non-response or by bias in selection.
Non-sampling errors
Non-random sampling
Which method is an expensive method of data collection?
Mailing questionnaire
Surveys
The method which cannot be used by illiterates.
Sampling
The purpose of the survey is to:
Collect data
Frequency distribution
Information
Presenting data
____________ questions are easy to use, score and code for analysis.
Open ended
Closed ended
Interview
None of these
A survey which includes every element of the population is known as:
Census
How many basic ways of collecting data are there?
Two
Three
Four
Five
Raw data is also known as:
Survey
Secondary data
Primary data
Sample method
