50 50 37,80 < µ < 54,56 Tõene standardhälve P=95% q=0,21 : S cor (1 -q ) < < S cor (1 +q ) 30,53(1 -0,21) < <30,53(1 +0,21) 24,12 < < 36,95 Tõene dispersioon P=95% q=0,21 : ( S cor (1 - q) ) 2 < D < ( S cor (1 + q ) ) 2 24,12 2 < D < 36,95 2 3.1 H0: µ=50 H1: µ50 T-kriteerium ( x - µ) n TvaIim = Sc t kr (0,05;49) = 2,01 TvaIim = 0,88 < t kr H0 kehtib 3.2 H0: 2=800 H1: 2800 2 (n - 1) S C D = 2 2 vaIim = 2 2 vaIim 2 = 57 ,1 24,12 2 < D < 36,95 2 581 < 800 < 1365 H0 kehtib 4. Grupeeritud valim
S cor (1 - q ) < < S cor (1 + q ) 27,68(1 -0,21) < < 27,68(1 + 0,21) 21,87 < < 33, 49 Tõene dispersioon P=95% q=0,21 : ( S cor (1 - q) ) 2 < D < ( S cor (1 + q) ) 2 21,87 2 < D < 33,49 2 3.1 H0: µ=50 H1: µ50 T-kriteerium 2 ( x - µ) n (52,12 - 50) 50 TvaIim = = = 0,54 Sc 27,68 t kr (0,05;49) = 2,01 TvaIim = 0,54 < t kr H0 kehtib 3.2 H0: 2=800 H1: 2800 2 (n - 1)SC (50 - 1)27,682 = 2 = 2 EMP = 50 D =2 750,79 EMP 2 = 50 vasak . KR = 17 2 Parem 2 . KR = 47 H0 kehtib kui vasak .KR < EMP < parem. KR 2 2 2
annaabi.ee 
