The generalisation of student's problems when several different population variances are involved
Biometrika
.
1947;34(1-2):28-35.
doi: 10.1093/biomet/34.1-2.28.
Author
B L WELCH
PMID:
20287819
DOI:
10.1093/biomet/34.1-2.28
No abstract available
MeSH terms
Humans
Population*