Tsu-2011 - ieeetsu
Tsu-2011 - ieeetsu
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 />
.