Tsu-2011 - ieeetsu

amrigad, 10 moculobis mqone SerCevis safuZvelze SeiZleba davaskvnaT,
rom avtomobilebis wina marjvena saburavebis proteqtorebis siRrmis
populaciis saSualo 95%-iani saimedobiT moTavsebulia 0.26 diumsa da
0.38 diums Soris. (1 diumi = 2.54 sm)
magaliTi 5. mocemulia generaluri erToblioba garkveuli maxasia-
TebliT, romelic ganawilebulia normalurad 6.25-is toli dispersiiT.
Catarebulia n 27 moculobis SerCeva da miRebulia maxasiaTeblis saSualo
SerCeviTi mniSvneloba x 12 . vipovoT ndobis intervali, romelic
faravs generaluri erTobliobis gamosakvlevi maxasiaTeblis ucnob maTematikur
lodins saimedoobiT 0.99 .
amoxsna. gvaqvs: 6.25 2.5; n 27 ; x 12 ; 10.99 0.01 ;
z /2
z0.005 2.57 . aqedan vRebulobT saZebn ndobis intervals: (10.76, 13.24).
magaliTi 6. 20 eleqtronaTuris sakontrolo Semowmebisas maTi muSaobis
saSualo xangrZlivoba aRmoCnda 2000 saaTis toli, xolo Sesworebuli
standartuli gadaxra ki 11 saaTis toli. cnobilia, rom naTuris
muSaobis xangrZlivoba warmoadgens normaluri kanoniT ganawilebul SemTxveviT
sidides. ganvsazRvroT am SemTxveviTi sididis maTematikuri
lodinis ndobis intervali saimedoobiT 0.95.
amoxsna. am SemTxvevaSi 10.95 0.05 . stiudentis ganawilebis
cxrilidan (Tavisuflebis 19-is toli xarisxiT) vpoulobT, rom
tn 1, /2
t19,0.025 2.093 . amitom saZiebeli ndobis intervali iqneba (1994.8,
2005.2).
amocanebi ( cnobilia an n 30)
1. ipoveT z /2
(standartuli normaluri ganawilebis /2-zeda
kritikuli wertili): a). 99%-iani; b). 98%-iani; g). 95%-iani; d). 90%-iani da
e). 94%-iani ndobis intervalebisaTvis.
2. gamoTvaleT SerCeviTi saSualo, Sesworebuli standartuli gadaxra,
aageT 95%-iani ndobis intervali populaciis saSualosaTvis da ipoveT
Sefasebis sizuste. populaciis standartuli gadaxraa 11. isargebleT
Semdegi SerCeviT:
43 52 18 20 25 45 43 21 42 32
24 32 19 25 26 44 42 41 41 53
22 25 23 21 27 33 36 47 19 20
3. qvemoT moyvanili SerCevis monacemebis mixedviT gamoTvaleT SerCeviTi
saSualo, Sesworebuli standartuli gadaxra da aageT 95%-iani
ndobis intervali populaciis saSualosaTvis:
47.596 68.751 5.838 69.831 28.843 53.107 31.391 48.829 50.706 32.785
62.892 55.105 63.974 56.674 38.362 51.549 31.938 31.851 56.088 48.321
34.906 38.359 72.086 34.009 50.850 43.801 46.127 49.926 54.960 49.671
4. 35 mexuTe klaselis kiTxvis qulebis saSualo aris 82, xolo Sesworebuli
standartuli gadaxra 15. a). ipoveT 95%-iani ndobis intervali
mexuTe klaselebis kiTxvis qulebis saSualosaTvis; b). ipoveT 99%-iani
99