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
A: Data collected from surveys
B: Data collected from feedback
C: Data collected from library
D: Data collected from journal
举一反三
- Research data is collected for ____________ in order to produce original research results.
- 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
- The results of this research may be used to cope with stress. _______, the present research contained some limitations. One limitation is that data was only collected on one single occasion.
- A research analyst was directed to arrange raw data collected on the yield of wheat, ranging from 40 to 93 bushels per acre, in a frequency distribution. He should choose 30 as the class interval width.（
- True or False: A research analyst was directed to arrange raw data collected on the yield of wheat, ranging from 40 to 93 bushels per acre, in a frequency distribution. He should choose 30 as the class interval width.