Tsu-2011 - ieeetsu

x1 (b 1 ) 4.146 0.751 5.520 0.000 2.493 5.800
x2 (b 2 ) -0.236 0.881 -0.268 0.794 -2.176 1.703
x3 (b 3 ) 4.831 0.901 5.361 0.000 2.848 6.814
b j
b j b
aq pirvel svetSi mocemulia b 0
, b 1
, b 2
, b 3
Sefasebebi; meoreSi – maTi
standartuli gadaxrebi, s ; mesameSi -- T b / S statistikis dakvirvebuli
mniSvnelobebi, t b / s ; meoTxe svetSi --
b j b
j
j
j
j
T
b j
statistikebisaTvis p -
H B
mniSvneloebebi Sesabamisi H0 : Bj
0 hipoTezis Sesamowmeblad
1
:
j
0
alternativis winaaRmdeg, xolo bolo or svetSi ki miTiTebulia 95%-iani
ndobis intervalebi
B -saTvis.
j
1 2 3
0
b0 16.058 mniSvneloba miuTiTebs saSualo gasayid fass, roca
X X X da misi interpretacia azrs moklebulia; b 1
4.146 mniSvneloba
miuTiTebs imaze, rom farTobis yoveli damatebiTi erTeulisaTvis
saxlis gayidvis fasi izrdeba saSualod 4146 dolariT; b 2
0.236 mniSvneloba
miuTiTebs imaze, rom saxlis eqsploataciis yoveli damatebiTi
wlisaTvis fasi iklebs 236 dolariT; b 3
4.831 mniSvneloba ki miuTiTebs
imaze, rom miwis nakveTis yoveli damatebiTi 100 kv. metrisaTvis saxlis
fasi izrdeba 4831 dolariT.
testis statistikis Tb
2
b2 / Sb
2
dakvirvebuli mniSvnelobaa t 2
0.268 ,
xolo p -mniSvnelobaa 0.794, rac imis maCvenebelia, rom nulovani hipoTezis
uaryofa xdeba mniSvnelovnebis mxolod iseTi doniT, romelic aranaklebia
0.794-ze. amitom mniSvnelovnebis 0.05 doniT (0.05