, .
(parameter) . , , , .
(statistic) . .
(finite population correction, fpc) , , , 10% .
(precision level) . .
(confidence interval) , .
(confidence level) , .
, , . 12.1.
12.1. | ||
() (z) () | π σ2 σ Ν σ- σp Χ-μ σ σ μ | P s2 s n Sp Χ- S S X1 |
(sampling distribution) , , [3]. , , 5 , 20 . (20 19 18 17 16)/(1 2 3 4 5), 15504 5 . 15504 .