GOST R 50779 23-2005 Statistical methods Statistical interpretation of data Comparison of two means in the case of paired observations《统计方法 数据统计解释 配对观察时对比两个平均值》.pdf

1、 ISO 3301 : 1975Statistical interpretation of data Comparison of two meansin the case of paired observations(MOD) 50779.232005(3301:1975)22004/5, 1.092 - . 1.292 - . 1 125 - - , 42 3 - 31 2005 . 112-4 3301:1975 . - (ISO 3301:1975 Statistical interpretation of data Comparison of two means in the case

2、 of pairedobservations, MOD) , , . - 1.5 ( 3.6)5 , . , 2005 , - - II 50779.232005 Statistical methods. Statistical interpretation of data. Comparison of two meansin the case of paired observations 200507011 - ( ) ( - ) - .2 : 50779.102000 ( 3534-193) . .(3534-1:1993,IDT)1 3301:1975 (ISO 3301:1975) -

3、 .2 , 1 , - , . (-), (). , , , - , .3 50779.10, : (paired observations): xi yi , :- i ( ), (, );- , , - ; (, , ).1 50779.232005( 3301 : 1975) - , -, .4 - . , xi , yi- . , xi ( ) yi ( ). . , . , , - , . - . - .5 :- di= xi yi ;- dxyiiic61c45 . , , . - o . - 100 .6 _ _ n c61 :c229c61xi c229c61yi :c229c

4、61di :c229c61di2c40c41dnxyiic61c45c61c229c2291 1ndic229c61c40c41sndnddii222111c61c45c45c233c235c234c249c251c250c61c229c229c115ddsc61c6122 50779.232005 ( ):d0c61 :At nd11c61c61c45() c97c110c115At nd212c61c233c235c234c249c251c250c61c45c97c110c115()/c110 = n 1= :c97c61 1 : , d0( H0), , dd Ac45c6202.2 :

5、) , d0( H0), , dd Ac60c4501.) , d0( H0), , dd Ac62c4301.t1c45c97c110() 1 c97 (c110) . - tn1c45c97c110() 1. 1 tn1c45c97c110() c110c61 c45n 1vnc61c451vnc61c451tn0975,tn0 995,tn095,tn099,tn0975,tn0 995,tn095,tn099,12345678910111213141516171819208,9852,4341,5911,2421,0490,9250,8360,7690,7150,6720,6350,6

6、040,5770,5540,5330,5140,4970,4820,4680,45545,0135,7302,9202,0591,6461,4011,2371,1181,0280,9560,8970,8470,8050,7690,7370,7080,6830,6600,6400,6214,4651,6861,1770,9530,8230,7340,6700,6200,5800,5460,5180,4940,4730,4550,4380,4230,4100,3980,3870,37622,5014,0212,2701,6761,3741,1881,0600,9660,8920,8330,7850

7、,7440,7080,6780,6510,6260,6050,5860,5680,55221222324252627282930405060708090100200500c1650,4430,4320,4220,4130,4040,3960,3880,3800,3730,3670,3160,2810,2560,2370,2210,2080,1970,1390,08800,6040,5880,5730,5590,5470,5350,5240,5130,5030,4940,4220,3750,3410,3140,2930,2760,2610,1830,11600,3670,3580,3500,34

8、20,3350,3280,3220,3160,3100,3050,2630,2350,2140,1980,1850,1740,1650,1170,07400,5370,5230,5100,4980,4870,4770,4670,4580,4490,4410,3780,3370,3060,2830,2640,2480,2350,1650,10403 50779.232005 2 , , . 2 , - i dxyiiic61c45- xi yi1234567893,52,04,72,86,52,22,55,84,234,21,51,34,52,54,51,71,83,32,323,42,00,7

9、0,20,32,00,50,72,51,910,8 _ :n =9 :c229c229c61c61xyii34 2 23 4, :c229c61di10 8, :c229c61di219 22, :d00c61 :c110c618 :d c6119(34,2 23,4) = 1,2sd221819 2210 8907825c61c45c61,c115dc61c610 7825 0 8846,t0 9959118,c61A21118 0 8846 0 99c61c180 c61, ,c97c61001, 0: :ddc45c6101,2 0,99. (- ) 1 %- .4 50779.2320

10、057 , , c97.- , , , c97 . , , ,- . 1 c98 , , - . c98. n c98 - D dxyiiic61c45, , c115d . -,n , . - . ( 1 2) 1 c98 , c40c41D c115d H0: D c163 0, n 0,05 0,01 . :1) D - , c115d, c97 - .2) - . c97, D 0c97 0 1.3) 0,05 50 0,95, - . n =20 D c115d=0,78c203.5 50779.232005 1 ( ), c97 =0,01 519.25:620.113:006.354 03.120.10 59 : , , , , , , . . . . 06.06.2005. 21.06.2005. 60c180841/8. . . . . . . 0,93. .-. . 0,65. 664 . . 381. C 1416. , 123995 , ., 4.www.gostinfo.ru infogostinfo.ru . . , 105062 , ., 6. 50779.232005 2 ( ), c97 =0,05