GET
FILE='C:\Documents and Settings\user\Desktop\Curso AMN\amn\dados_uti\exer_E_DA
TA.sav'.
* Regressão agregada (Table 2.4, p. 28) / Output 2a - Null model.
AGGREGATE
/OUTFILE='C:\Documents and Settings\user\Desktop\dados_agreg.sav'
/BREAK=schid
/homework_mean = MEAN(homework) /math_mean = MEAN(math)
/N=N.
GET
FILE='C:\Documents and Settings\user\Desktop\dados_agreg.sav'.
LIST.
schid homework_mean math_mean N
1 1,39 45,74 23
2 2,35 42,15 20
3 1,83 53,25 24
4 1,64 43,55 22
5 ,86 49,86 22
6 1,15 46,40 20
7 3,30 62,82 67
8 2,10 49,67 21
9 1,33 46,33 21
10 1,60 47,85 20
Number of cases read: 10 Number of cases listed: 10
UNIANOVA
math_mean
/REGWGT = N
/METHOD = SSTYPE(3)
/INTERCEPT = INCLUDE
/PRINT = DESCRIPTIVE PARAMETER
/CRITERIA = ALPHA(.05) .
Descriptive
Statistics(a) |
||
Mean |
Std. Deviation |
N |
51,3000 |
39,48352 |
10 |
a Weighted Least Squares Regression -
Weighted by N |
Tests
of Between-Subjects Effects(b) |
|||||
Source |
Type III Sum of Squares |
df |
Mean Square |
F |
Sig. |
Corrected Model |
,000(a) |
0 |
. |
. |
. |
Intercept |
684239,400 |
1 |
684239,400 |
438,911 |
,000 |
Error |
14030,536 |
9 |
1558,948 |
|
|
Total |
698269,936 |
10 |
|
|
|
Corrected Total |
14030,536 |
9 |
|
|
|
a R
Squared = ,000 (Adjusted R Squared = ,000) |
|||||
b Weighted Least Squares Regression -
Weighted by N |
Parameter
Estimates(a) |
|||||||
Parameter |
B |
Std. Error |
t |
Sig. |
95% Confidence
Interval |
|
|
Lower Bound |
Upper Bound |
|
|||||
Intercept |
51,300 |
2,449 |
20,950 |
,000 |
45,761 |
56,839 |
|
a Weighted Least Squares Regression -
Weighted by N |
|
* Regressão agregada (Table 2.4, p. 28) / Output 2b - With homework.
REGRESSION
/MISSING LISTWISE
/REGWGT=N
/STATISTICS COEFF OUTS R ANOVA
/CRITERIA=PIN(.05) POUT(.10)
/NOORIGIN
/DEPENDENT math_mean
/METHOD=ENTER homework_mean .
Variables
Entered/Removed(b,c) |
|||
Model |
Variables Entered |
Variables Removed |
Method |
1 |
homework_mean(a) |
. |
Enter |
a All requested variables entered. |
|||
b Dependent Variable: math_mean |
|||
c Weighted Least Squares Regression -
Weighted by N |
Model Summary |
||||
Model |
R |
R Square |
Adjusted R Square |
Std. Error of the Estimate |
1 |
,801(a) |
,642 |
,597 |
25,06887 |
a Predictors: (Constant), homework_mean |
ANOVA(b,c) |
||||||
Model |
|
Sum of Squares |
df |
Mean Square |
F |
Sig. |
1 |
Regression |
9002,948 |
1 |
9002,948 |
14,326 |
,005(a) |
Residual |
5027,587 |
8 |
628,448 |
|
|
|
Total |
14030,536 |
9 |
|
|
|
|
a Predictors: (Constant), homework_mean |
||||||
b Dependent Variable: math_mean |
||||||
c Weighted Least Squares Regression -
Weighted by N |
Coefficients(a,b) |
|||||||
Model |
|
Unstandardized
Coefficients |
Standardized
Coefficients |
t |
Sig. |
|
|
B |
Std. Error |
Beta |
|
||||
1 |
(Constant) |
37,109 |
4,059 |
|
9,142 |
,000 |
|
homework_mean |
7,015 |
1,853 |
,801 |
3,785 |
,005 |
|
|
a Dependent Variable: math_mean |
|
||||||
b Weighted Least Squares Regression -
Weighted by N |
|