TY  - JOUR
AU  - I. Koźniewska
TI  - Comparison of the efficiency of drawing samples with and without replacement when the variance of the general population is unknown
JO  - Colloquium Mathematicum
PY  - 1956
SP  - 232
EP  - 238
VL  - 4
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-4-2-232-238/
DO  - 10.4064/cm-4-2-232-238
LA  - en
ID  - 10_4064_cm_4_2_232_238
ER  -