Kappa number

例句：

1. 1. In statistics, the kappanumber is used to measure the agreement betweentwo raters.
   在统计学中，卡帕数用于测量两位评分者之间的一致性。
2. 2. The research team calculated the kappanumber to determine the reliability of their findings.
   研究团队计算卡帕数以确定他们发现的准确性。
3. 3. The kappa number waslow, indicating that the results were notconsistent across different observers.
   卡帕数较低，表明结果在不同观察者之间不一致。