quadratic mean deviation

例句：

1. 1. The quadratic mean deviation of the data is calculated to determine the accuracy of the model.
   计算数据的二次平均偏差以确定模型的准确性。
2. 2. In statistics, the quadratic mean deviation measures how far a sample point deviates from the mean.
   在统计学中，二次平均偏差衡量样本点与均值的偏离程度。
3. 3.The quadratic mean deviation is used to evaluate the performance of the algorithm in real-world applications.
   二次平均偏差用于评估算法在实际应用场景中的性能。