A reliable test must
A、usearandomsample.
B、becost-effective.
C、reflectthetruestatusofthemarket.
D、beopen-endedandfreeofbias.
E、producethesameresulteachtimeitisadministered.
发布时间:2024-09-17 10:04:29
A、usearandomsample.
B、becost-effective.
C、reflectthetruestatusofthemarket.
D、beopen-endedandfreeofbias.
E、producethesameresulteachtimeitisadministered.