A statistical test used to examine the significance of the association between two categorical variables in a 2×2 contingency table. The test needs the expected values in each cell to be at least 10 but does not depend on the sample characteristics.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。