12.2 列联表卡方检验

4×4表资料的卡方检验

实际频数理论频数

列1列2列3列4合计列1列2

行111215020540507170.83122.88行220011213573520175.21126.03行3101111114314.4910.42行436221931069960323.47232.67合计6844926611932030684492卡方值计算表

列1列2列3列4合计

行120.2606 5.98609.6496 1.395837.2921

行2 3.5069 1.5618 6.956511.229123.2543

行3 1.39060.03210.643411.685713.7518检验结果

行4 4.59000.80310.0215 5.434310.8489卡方值P值

合计29.74818.383017.271029.744985.147185.1471 1.52475E-14

列3列4合计

165.0948.20507

169.3249.44520

14.00 4.0943

312.5991.27960

6611932030

检验水准自由度临界值列联系数

0.05916.920.2006