共 5 条
- [1] CRAMER H, 1946, MATHEMATICAL METHODS, P359
- [2] FISHER RA, 1946, STATISTICAL METHODS, P210
- [3] THE POINT BISERIAL COEFFICIENT OF CORRELATION [J]. ANNALS OF MATHEMATICAL STATISTICS, 1949, 20 (01): : 125 - 126
- [5] PEARSON K, 1945, TABLES STATISTICIA 1, P20