The generalisation of student's problems when several different population variances are involved.
作者信息
WELCH B L
出版信息
Biometrika. 1947;34(1-2):28-35. doi: 10.1093/biomet/34.1-2.28.
PMID:20287819
Abstract
摘要
WELCH B L
Biometrika. 1947;34(1-2):28-35. doi: 10.1093/biomet/34.1-2.28.
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