找考题网-背景图
单项选择题

A.If condition is satisfiedB.Random sample of cases-App……

希望从全部200个个案中随机选出20%的个案,应采用的选取方式是()

A.If  condition  is   satisfied
B.Random  sample  of  cases-Approxomately
C.Use  filter   Variable
D.Random  sample  of  cases-Exactly

热门试题