样本偏差 meaning in Chinese

sample bias
sample deviation

This made a small - scale sampling to develop a database of school teacher ' s information literacy through , used regression analysis to determine the weight distribution of evaluation indicators by means of minimum sampling bias , and set up a set of quantitative indicators for the evaluation of teacher ' s information literacy
摘要本文认为通过小范围的教师样本可获取关于教师信息素养量化评价指标和总的教师信息素养数据，运用回归分析法最小化样本偏差可获取各评价指标对应的合理的权重分布，从而建立一个适应各学校实际情况的教师信息素养量化评价指标体系。