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Tsu-2011 - ieeetsu

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gadawyvetileba: Tu T.V.C.R., maSin H 0<br />

hipoTezas ukuvagdebT, winaaRmdeg<br />

SemTxvevaSi amis safuZveli ara gvaqvs.<br />

P - mniSvnelobis meTodi: Tu P , maSin H<br />

0<br />

hipoTezas ukuvagdebT,<br />

winaaRmdeg SemTxvevaSi amis safuZveli ara gvaqvs.<br />

magaliTebis amoxsnis nimuSebi:<br />

magaliTi 1. profesors surs gaarkvios, qulebis cvalebadoba Tavis<br />

jgufSi, sadac 23 studentia, aris Tu ara naklebi, vidre populaciis<br />

dispersia 225 . profesoris jgufSi qulebis Sesworebuli dispersiaa 198.<br />

0.05 mniSvnelovnebis doniT gvaqvs Tu ara sakmarisi safuZveli<br />

vamtkicoT, rom profesoris jgufSi qulebis cvalebadoba naklebia<br />

populaciis dispersiaze? CaTvaleT, rom qulebi normaluradaa<br />

ganawilebuli.<br />

amoxsna. CamovayaliboT ZiriTadi da alternatiuli hipoTezebi:<br />

H0 : D 225 , H1 : D 225 . vipovoT kritikuli mniSvneloba: vinaidan<br />

kriteriumi marcxena calmxrivia, 1<br />

0.95 da Tavisuflebis xarisxia<br />

n1<br />

22, amitom xi kvadrat ganawilebis zeda kritikuli wertilebis<br />

2 2<br />

cxrilidan vpoulobT, rom n 1,1 <br />

22,0.95 12.338 . maSasadame, kritikuli<br />

area CR . . (0,12.338] . gamovTvaloT kriteriumis mniSvneloba:<br />

( n1)<br />

s<br />

<br />

2<br />

0<br />

130<br />

' 2<br />

(231) 198<br />

TV . . 19.36<br />

.<br />

225<br />

vinaidan, kriteriumis mniSvneloba ar vardeba kritikul areSi,<br />

amitom nulovan hipoTezas vRebulobT, anu ar arsebobs sakmarisi<br />

safuZveli imisaTvis, rom profesoris jgufSi qulebis cvalebadoba<br />

naklebia populaciis dispersiaze.<br />

magaliTi 2. saavadamyofos administratori darwmunebulia, rom<br />

standartuli gadaxra im pacientebis ricxvis, romlebic ambulatoriulad<br />

mkurnaloben dReSi 8-ze metia. pacientebis ricxvi CavTvaloT,<br />

rom ganawilebulia normalurad. 0.1 mniSvnelovnebis doniT SeiZleba<br />

Tu ara gaviziaroT administratoris mosazreba, Tu 15 SemTxveviT<br />

SerCeuli dRis monacemebia:<br />

25 30 5 15 18<br />

42 16 9 10 12<br />

12 38 8 14 27<br />

amoxsna. CamovayaliboT ZiriTadi da alternatiuli hipoTezebi:<br />

H0 : D 64 , H1 : D 64 . ramdenadac kriteriumis marjvena calmxrivia,<br />

0.1 da Tavisuflebis xarisxia n1<br />

14 , amitom kritikuli mniSvneloba<br />

2<br />

iqneba: n<br />

1, 21.0641 . gamovTvaloT Sesworebuli standartuli gadaxra,<br />

gvaqvs:<br />

1 1 1<br />

s ( x x) ( x x ) 11.2<br />

n n n<br />

' 2 2<br />

i i j<br />

n1 i1 n1<br />

i1 n j1<br />

.

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