, ran.sav, , ... , ( .. ). [8]). , . . , , , .
ran.sav . . --- , , , "0" , "1" --- . : , . .
, : , .
- . --- --- T- (Analize --- Compare means --- Independent-Sample T-test). " " (Test Variable(s)) , . numbers ( ). " " (Grouping Variable) group, . , " " (Define groups) , 0 1. --- .
. ( "N"), ( 7.4.5).
7.4.5.
N | . | . | |||
"" - | 38,9627 | 8,85589 | 2,28658 | ||
28,9627 | 6,07397 | 1,56829 |
|
|
, , , : 38.96 28.96 . , , , , . , 7.4.6. ( , SPSS).
7.4.6. T-
t- | ||||||||||
95% | ||||||||||
F | . | t | .. | (2-) | . | |||||
"" - | 4,412 | ,045 | 3,60 | ,001 | 10,00 | 2,77272 | 4,32033 | 15,6796 | ||
3,60 | 24,78 | ,001 | 10,00 | 2,77272 | 4,28696 | 15,7130 |
SPSS - : (. 7.1.5). , , , . , 0.05, " ". , , " ". . , , 4. , , , .
"t" -, ( ). "." -, 0.001. , (p=0.001). , , . - : t(28)=3.607, p=0.001.
, .