... STT 10 11 12 13 14 15 LP 49,45 51, 96 51, 72 57,47 53,59 57,06 56, 51 53,07 50, 28 49,62 58, 43 49,79 58, 58 55,76 48, 44 HL 51, 62 57,73 53,44 54,99 48, 08 56, 48 51, 43 54,49 56, 98 50,42 53 ,82 48, 39 47 ,16 ... 51, 30 SS 50,45 53, 51 50 ,12 53, 91 53,95 54,70 55,43 57,20 49, 21 51, 10 46,94 56,74 52, 51 53,24 51, 54 707 58, 34 55,74 59,25 55,74 55,35 58, 35 58, 98 56,30 61, 64 51, 14 53,02 53, 21 55, 81 57,63 58 ,13 ... thi t H0 Kho ng tin c y 95% ñ i t l s m i sinh p ± 1, 96 p (1 − p ) 0,562 (1 − 0,562 ) = 0,562 ± 1, 96 t c t 0, 51 ñ n 0,62 n 297 54 3 .11 So sánh t l (các m u ñ c l p) 3 .11 .1 Gi i thi u Khi ta ti...