First hand information data is called:
Sampling data
Primary data
Secondary data
Surveys
Questions which are used to get more than just a one word answers are termed as:
Data
Closed ended questions
Interview questions
Open ended questions
____________ errors can arise in data acquisition,by non-response or by bias in selection.
Sampling errors
Non-sampling errors
Random sampling
Non-random sampling
___________ saves time and cost.
Sample survey
None of these
Raw data is also known as:
Survey
Sample method
In __________ method the investigator asks questions over the telephone.
Personal interview
Telephone interview
Sampling
Mailing questionnaire
____________ questions are easy to use, score and code for analysis.
Open ended
Closed ended
Interview
How many basic ways of collecting data are there?
Two
Three
Four
Five
Which method is an expensive method of data collection?
The difference between the actual value of a parameter of the population and its estimate is:
Non - random sampling
Non - sampling error
Sampling error
