Tsu-2011 - ieeetsu
Tsu-2011 - ieeetsu
Tsu-2011 - ieeetsu
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gadavideT saSualoebis Sesaxeb hipoTezaTa Semowmebaze. CamovayaliboT<br />
ZiriTadi da alternatiuli hipoTezebi: H 0<br />
: a 1<br />
a 2<br />
, H 1<br />
: a 1<br />
a 2<br />
. gamovTvaloT<br />
kriteriumis mniSvneloba:<br />
( xn<br />
ym) ( a1<br />
a2)<br />
T. V.<br />
t <br />
<br />
'2 '2<br />
( n 1) s1 ( m1) s2<br />
1 1<br />
<br />
n m2<br />
n m<br />
(26800 25400) 0<br />
<br />
5.47<br />
.<br />
2 2<br />
(10 1) 600 (8 1) 450 1 1<br />
<br />
10 82 10 8<br />
vipovoT P -mniSvneloba. Tavisuflebis 10 + 8 – 2 = 16 xarisxis mixedviT<br />
stiudentis ganawilebis cxrilidan vpoulobT, rom P -mniSvneloba<br />
naklebia 0.005-ze. Sesabamisad, P -mniSvneloba < 0.01 . amitom Cven ukuvagdebT<br />
nulovan hipoTezas, anu Cven gvaqvs sakmarisi safuZveli<br />
davaskvnaT, rom kerZo klinikaSi eqimis saSualo Semosavali ufro didia<br />
vidre saxelmwifo klinikaSi.<br />
magaliTi 3. davuSvaT, rom Seiswavleba qolesterinis Semcveloba<br />
gulis daavadebiT gardacvalebuli adamianebis memkvidreebSi. davuSvaT,<br />
rom 100 aseT bavSvze dakvirvebam mogvca qolesterinis saSualo done<br />
207.3 mg/dl, xolo standartuli gadaxraa 35.6 mg/dl. garda amisa, daakvirdnen<br />
qolesterinis doneebs im bavSvebSi, romelTa mSoblebic cocxlebia<br />
da ara aqvT gulis daavadeba. aseTnairad SerCeuli 74 bavSvis monacemebis<br />
mixedviT qolesterinis saSualo done aRmoCnda 193.4 mg/dl, xolo<br />
standartuli gadaxra –17.3 mg/dl. Cveni amocanaa = 0.05 mniSvnelovnebis<br />
donisaTvis SevamowmoT hipoTeza populaciebis saSualoebis tolobis Sesaxeb.<br />
amoxsna. davuSvaT, rom populaciebi ganawilebulia normalurad,<br />
magram maTi parametrebi ucnobia. es amocana gavyoT or etapad: pirvel<br />
etapze SevamowmoT hipoTeza dispersiebis tolobis Sesaxeb. Tu<br />
hipoTezas dispersiebis tolobis Sesaxeb ver uarvyofT, Semdeg<br />
SevamowmoT hipoTeza populaciebis saSualoebis tolobis Sesaxeb toli<br />
dispersiebis SemTxvevaSi. im SemTxvevaSi Tu ar dadasturda dispersiaTa<br />
tolobis hipoTeza, saSualoTa tolobis hipoTeza SevamowmoT<br />
satertvaitis meTodiT.<br />
ganvixiloT SerCeviT dispersiaTa Sefardeba da SevadaroT is fiSeris<br />
ganawilebis zeda kritikuli wertilis mniSvnelobas F 99,73,0.025<br />
. F 100,74<br />
statistikis dakvirvebuli mniSvneloba tolia<br />
2 2<br />
f100,74 35.6 /17.3 4.23 .<br />
vinaidan cxrilebSi ar aris fiSeris ganawilebis zeda kritikuli<br />
wertilis mniSvneloba -- F<br />
99,73,0.025<br />
, amitom gamovTvaloT p -mniSvneloba,<br />
romelic alternativis ormxrivobis gamo tolia<br />
p 2 P{ F 4.23} 0.0002 ,<br />
100.74<br />
160
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