standard normal Z transformation

例句：

1. 1. In the context of data analysis, standard normal Z transformation is a crucialstep in ensuring data quality.
   在数据分析的背景下，标准正态变换是确保数据质量的关键步骤。
2. 2. The Z-transformation techniqueis used to convert raw data into amore manageable format for further analysis.
   Z转换技术用于将原始数据转换为更易于进一步分析的格式。
3. 3. The standardnormal Z transformation is oftenused to remove outliersfrom datasets, which can improve theaccuracy of subsequent statistical analyses.
   标准正态变换通常用于从数据集去除异常值，这可以提高后续统计分析的准确性。