The data collected by the statistical survey can be original data or secondary data. The relationship between the original data and secondary data is ( )
A: The original data comes from the grass-roots units, and the secondary data comes from the superior units
B: Secondary data is processed from original data
C: There is no necessary connection between the original data and the secondary data
D: There is no difference between primary data and secondary data
A: The original data comes from the grass-roots units, and the secondary data comes from the superior units
B: Secondary data is processed from original data
C: There is no necessary connection between the original data and the secondary data
D: There is no difference between primary data and secondary data
举一反三
- In the market research phase, research is either primary or secondary research, which of the following ones are primary research data? A: Data collected from surveys B: Data collected from feedback C: Data collected from library D: Data collected from journal
- The primary data is always better than secondary data. ()
- What is stored in the database is（ ）. A: data B: data mode C: links between data D: data and the connection between data
- Dissertations can be solely based on secondary data without the need<br/>for primary data.() A: √ B: ×
- __________ data are data that were gathered for another purpose and already exist. A: Primary B: Descriptive C: Causal D: Secondary E: Observational