(NwARIACIONNAQ STATISTIKA (B:s (N|LEMENTARNOE PRAKTI^ESKOE RUKOWODSTWO DLQ WRA^EJ(B, (NPEDAGOGOW(B, (NPEDOLOGOW(B, (NPSIHOTEHNIKOW(B, (NRABOTNIKOW FIZKULXTURY I AGRONOMOW (B/s - (NpOMORSKIJ(B, (N`(B.(Nl(B.s ((NlENINGRAD (B:s (NiZD(B. (NdETSKOGO OBSLEDOWATELXNOGO INSTITUTA IM(B. (Na(B.(Ns(B. (NgRIBOEDOWA(B,s, 1930)
(N~(B. 1 (1930, 311 (NS(B., (NTABL(B.)s (N~(B. 2 (1930, 463 (NS(B., (NTABL(B.)s
Keywords: (NrUKOWODSTWAs; (NsTATISTI^ESKIE MODELIs; (NaNALIZ STATISTI^ESKIJs; (NsTATISTI^ESKIE WY^ISLENIQs