Across
- 2. selecting at fixed intervals (系统抽样)
- 5. collected information (数据)
- 8. sample that matches population (代表性样本)
- 9. small group chosen from population (样本)
- 13. entire group being studied (种群)
- 14. process of choosing a sample (抽样)
Down
- 1. unfair influence on results (偏差)
- 3. selecting people by chance with equal chance (简单随机抽样)
- 4. difference between highest and lowest (极差)
- 6. most common number (众数)
- 7. average number (平均数)
- 9. dividing population into groups then selecting (分层)
- 10. middle number in data (中位数)
- 11. dividing population by location and selecting groups (整群抽样)
- 12. fair and accurate results (无偏的)