cluster sampling指的是下面哪一项：（）
举一反三
- random sampling指的是下面哪一项：（）
- The following sampling method with the smallest sampling error is () A: Stratified sampling B: Simple random sampling C: Systematic sampling D: Cluster sampling E: Double-blind sampling
- cluster sampling的中文翻译是：（）
- Which of the following is an example of nonprobabilistic sampling? A: Simple random sampling B: Stratified simple random sampling C: Cluster sampling D: Judgment sampling
- Which of the following sampling methods does not lead to probability samples? A: stratified sampling B: cluster sampling C: systematic sampling D: convenience sampling