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Tsu-2011 - ieeetsu

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Tavi IV<br />

2<br />

hipoTezaTa Semowmeba saSualosaTvis ( cnobilia)<br />

ganawilebis parametrebis mniSvnelobebis Sesaxeb an ori ganawilebis<br />

parametrebis sidideebis Sedarebis hipoTezebs, parametruli hipoTezebi<br />

ewodeba. hipoTezebs ganawilebis saxis Sesaxeb ki araparametruli hipoTezebi<br />

ewodeba. hipoTezas, romelic wamoyenebulia SerCeviT monacemebTan<br />

misi Tanxmobis Sesamowmeblad, nulovani hipoTeza ewodeba da aRiniSneba<br />

H0<br />

-iT ( H<br />

0<br />

amtkicebs, rom ar arsebobs gansxvaveba parametrsa da mis<br />

konkretul mniSvnelobas Soris an ar arsebobs gansxvaveba or parametrs<br />

Soris). H<br />

0<br />

hipoTezasTan erTad ixilaven (wamoayeneben) alternatiul anu<br />

sawinaaRmdego hipoTezasac, romelsac H1-iT aRniSnaven ( H<br />

1<br />

amtkicebs,<br />

rom arsebobs gansxvaveba parametrsa da mis konkretul mniSvnelobas Soris<br />

an arsebobs gansxvaveba or parametrs Soris). nulovani hipoTeza moicavs<br />

tolobis niSans:<br />

kriteriumi:<br />

ormxrivi marjvena calmxrivi marcxena calmxrivi<br />

H0:<br />

0<br />

H0:<br />

0<br />

H0:<br />

0<br />

H : <br />

H : <br />

H : <br />

1<br />

<br />

0<br />

1<br />

<br />

0<br />

1 0<br />

samarTliani hipoTezis ukugdebas pirveli gvaris Secdoma ewodeba.<br />

pirveli gvaris Secdomis daSvebis albaTobas mniSvnelovnebis done ewodeba<br />

da -Ti aRiniSneba. arasamarTliani hipoTezis miRebas meore gvaris<br />

Secdoma ewodeba. misi albaToba aRiniSneba asoTi. ricxvs 1<br />

, romelic<br />

tolia albaTobis imisa, rom ar iqneba daSvebuli meore gvaris Secdoma,<br />

kriteriumis simZlavre ewodeba.<br />

statistikuri hipoTezis Semowmeba normaluri ganawilebis<br />

maTematikuri lodinis Sesaxeb cnobili dispersiis SemTxvevaSi:<br />

<br />

2<br />

N( , ) ;<br />

D<br />

2<br />

cnobilia; E ucnobia.<br />

hipoTeza: H 0<br />

: E a 0<br />

mniSvnelovnebis done: <br />

X a0 kriteriumis statistika: Z N(0,1)<br />

/ n<br />

xa0<br />

kriteriumis mniSvneloba T.V.: z <br />

/ n<br />

alternativa kritikuli are C.R. ( H0<br />

-is uaryofis are)<br />

H1 : E a1 a0<br />

z z ,<br />

114

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