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 satisfiedB、Random sample of cases－ApproxomatelyC、Use filter VariableD、Random sample of cases－Exactly
题目
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