Tsu-2011 - ieeetsu

n
xi
172.6
,
i1
sidideebi:
n
Yi
1332.6
,
i1
n
xi
,
i1
n
Yi
,
i1
n
2
xi
,
i1
n
2
xi
5222.24 ,
i1
n
2
Yi
,
i1
n
xY
i i.
i1
n
2
Yi
124618.42
,
i1
n
xY
i i
25257.97 .
nabiji 3. gamovTvaloT b 0
-isa da b 1
-is gamosaTvlelad saWiro
n
1 272.6
x xi
18.17 ,
15
n i 1
x
n
2
2
i
268.19 ,
i1
SS x nx
n
xY i i
i1
n i 1
i1
n
1 1332.6
Y Yi
88.84 .
15
Y
n
2
2
i
6230.24 ,
i1
SS Y nY
SS xY nxY
1040.18
.
nabiji 4. gamovTvaloT b 0
da b 1
Sefasebebi:
SSxY
1040.18
b1
3.8786 ,
SS 268.19
b0 Y b1x
88.84 3.8786 18.17 18.354 .
nabiji 5. davweroT regresiis wrfis Sefaseba:
Y 18.354 3.8786 x .
miRebuli monacemebi gvaZlevs Semdeg grafikul suraTs :
x
150
100
y = 3.8786x + 18.354
50
0
0 10 20 30
Y Linear (Y)
daskvna. b 1
-is miRebuli mniSvneloba b 1
3.8786 , niSnavs, rom saxlis
farTobis yoveli erTi erTeuliT gazrda iwvevs saxlis fasis saSualod
3.8786 1000$ 3878.6$
-iT gazrdas.
nabiji 6. gamovTvaloT ESS . gvaqvs:
2 2
SSxY
(1040.18)
SSE SSY
6230.24 21995.88 ,
SS
268.19
saidanac miiReba ucnobi 2 dispersiis Sefaseba
x
227