四格表资料ｘ￣２检验的实用推导公式及微机计算程序崔兆麟，许汴利四格表资料的ｘ２检验（Ｃｈｉ－ｓｐｕａｒｅｔｅｓｔ）是一种用途很广的计数资料的显著性检验方法，但ｘ２值的计算较麻烦。教材上给出了４个理论频数的通用公式（１．１），四格表专用公式（１．２）及... Si grid data x ~ 2 practical deduction formula and computer program Cui Zhaolin, Xu Yan Li four grid table data x2 test (Chi-spuaretest) is a widely used count data significant test, but x2 The calculation of value is more troublesome. The teaching materials are given four theoretical frequency of the common formula (1.1), four grid table formula (1.2) and ...