Which method is an expensive method of data collection?
Telephone interview
Personal interview
Mailing questionnaire
Surveys
When the researcher has access to all the members, the mode of data collection used is:
Sample survey
The purpose of the survey is to:
Collect data
Frequency distribution
Information
Presenting data
How many basic ways of collecting data are there?
Two
Three
Four
Five
______________ is known as method of complete enumeration.
Pilot survey
Census
None of these
____________ questions are easy to use, score and code for analysis.
Open ended
Closed ended
Interview
___________ saves time and cost.
Primary data
Secondary data
There are ___________ main types of sampling.
___________ refers to the differences between the sample estimate and the actual value of a characteristic of the population.
Random sampling
Non - random sampling
Sampling errors
Non - sampling errors
____________ errors can arise in data acquisition,by non-response or by bias in selection.
Non-sampling errors
Non-random sampling