【摘要】 列联表检验是独立性检验的一个重要内容,在初等教材中常用的是χ2检验,这是一种比较保守的检验法。针对有序和无序两个不同的对立假设,用秩方法构造不同的统计量进行检验,并通过实际例子说明了在先验知识比较充足的条件下,该检验法比χ2检验法有效。更多还原

【Abstract】 Contingency table test is an important part of the independence of the inspection,the χ2test is commonly used in elementary textbooks,which is relatively conservative. This paper addresses two different alternative hypothesis,taking different methods of construction rank statistics to test,and illustrates that under the condition of adequate priori knowledge,the test is more effective than χ2.更多还原