Which of the following statements about primary data and secondary data is/are true?
选项:
A:Primary?data?are?collected?by?the?researcher;?secondary?data?are?derived?from?primary?dA
B:Secondary?data?are?collected?through?interviews,?surveys;?primary?data?are?derived?from?books,?newspapers,?Internet,...
C:Primary?data?has?fewer?resource?requirements;?secondary?data?has?more?resource?requirements.
D:Primary?data?are?fresher?and?more?updated;?secondary?data?tends?to?be?of?higher?quality.
E:Secondary?data?are?less?suitable?to?match?our?need;?primary?data?are?better?matching?our?nee
D:
发布时间:2024-04-06 19:46:57