GET
  FILE='C:\Documents and Settings\user\Desktop\Curso AMN\amn\dados_uti\exer_E_DA
   TA.sav'.
* ANCOVA (Table 2.7, p. 31) / Output 5a - Null model.
UNIANOVA
  math  BY schid
  /METHOD = SSTYPE(3)
  /INTERCEPT = INCLUDE
  /EMMEANS = TABLES(schid)
  /PRINT = DESCRIPTIVE
  /CRITERIA = ALPHA(.05)
  /DESIGN = schid .

 

Univariate Analysis of Variance

Between-Subjects Factors

 

 

 

Value Label

N

schid

1

A

23

2

B

20

3

C

24

4

D

22

5

E

22

6

F

20

7

G

67

8

H

21

9

I

21

10

J

20

 

Descriptive Statistics
Dependent Variable: math

schid

Mean

Std. Deviation

N

1 A

45,74

7,533

23

2 B

42,15

8,318

20

3 C

53,25

11,524

24

4 D

43,55

10,008

22

5 E

49,86

8,442

22

6 F

46,40

4,321

20

7 G

62,82

5,675

67

8 H

49,67

10,336

21

9 I

46,33

9,552

21

10 J

47,85

11,301

20

Total

51,30

11,136

260

 

Tests of Between-Subjects Effects
Dependent Variable: math

Source

Type III Sum of Squares

df

Mean Square

F

Sig.

Corrected Model

14030,536(a)

9

1558,948

21,549

,000

Intercept

545077,651

1

545077,651

7534,498

,000

schid

14030,536

9

1558,948

21,549

,000

Error

18086,064

250

72,344

 

 

Total

716356,000

260

 

 

 

Corrected Total

32116,600

259

 

 

 

a R Squared = ,437 (Adjusted R Squared = ,417)

Nota:

Estimated Marginal Means

School ID
Dependent Variable: math

School ID

Mean

Std. Error

95% Confidence Interval

 

Lower Bound

Upper Bound

 

1 A

45,739

1,774

42,246

49,232

 

2 B

42,150

1,902

38,404

45,896

 

3 C

53,250

1,736

49,831

56,669

 

4 D

43,545

1,813

39,974

47,117

 

5 E

49,864

1,813

46,292

53,435

 

6 F

46,400

1,902

42,654

50,146

 

7 G

62,821

1,039

60,774

64,867

 

8 H

49,667

1,856

46,011

53,322

 

9 I

46,333

1,856

42,678

49,989

 

10 J

47,850

1,902

44,104

51,596

 

 

 
* ANCOVA (Table 2.7, p. 31) / Output 5b - With homework.
UNIANOVA
  math  BY schid  WITH homework
  /METHOD = SSTYPE(3)
  /INTERCEPT = INCLUDE
  /EMMEANS = TABLES(schid) WITH(homework=MEAN)
  /PRINT = DESCRIPTIVE PARAMETER
  /CRITERIA = ALPHA(.05)
  /DESIGN = homework schid .

 

Univariate Analysis of Variance

Between-Subjects Factors

 

 

 

Value Label

N

schid

1

A

23

2

B

20

3

C

24

4

D

22

5

E

22

6

F

20

7

G

67

8

H

21

9

I

21

10

J

20

 

Descriptive Statistics
Dependent Variable: math

schid

Mean

Std. Deviation

N

1 A

45,74

7,533

23

2 B

42,15

8,318

20

3 C

53,25

11,524

24

4 D

43,55

10,008

22

5 E

49,86

8,442

22

6 F

46,40

4,321

20

7 G

62,82

5,675

67

8 H

49,67

10,336

21

9 I

46,33

9,552

21

10 J

47,85

11,301

20

Total

51,30

11,136

260

 

Tests of Between-Subjects Effects
Dependent Variable: math

Source

Type III Sum of Squares

df

Mean Square

F

Sig.

Corrected Model

16034,203(a)

10

1603,420

24,825

,000

Intercept

178018,604

1

178018,604

2756,220

,000

homework

2003,667

1

2003,667

31,022

,000

schid

8100,396

9

900,044

13,935

,000

Error

16082,397

249

64,588

 

 

Total

716356,000

260

 

 

 

Corrected Total

32116,600

259

 

 

 

a R Squared = ,499 (Adjusted R Squared = ,479)

Nota:

 

 

Parameter Estimates
Dependent Variable: math

Parameter

B

Std. Error

t

Sig.

95% Confidence Interval

 

Lower Bound

Upper Bound

 

Intercept

44,431

1,899

23,398

,000

40,691

48,171

 

homework

2,137

,384

5,570

,000

1,381

2,892

 

[schid=1]

-1,665

2,458

-,677

,499

-6,507

3,177

 

[schid=2]

-7,302

2,558

-2,855

,005

-12,340

-2,265

 

[schid=3]

4,901

2,435

2,013

,045

,106

9,697

 

[schid=4]

-4,382

2,483

-1,765

,079

-9,273

,508

 

[schid=5]

3,587

2,499

1,435

,152

-1,335

8,509

 

[schid=6]

-,489

2,547

-,192

,848

-5,505

4,528

 

[schid=7]

11,342

2,149

5,278

,000

7,109

15,574

 

[schid=8]

,759

2,518

,301

,763

-4,201

5,718

 

[schid=9]

-,947

2,513

-,377

,707

-5,896

4,003

 

[schid=10]

0(a)

.

.

.

.

.

 

a This parameter is set to zero because it is redundant.

 

 

Estimated Marginal Means

School ID
Dependent Variable: math

School ID

Mean

Std. Error

95% Confidence Interval

 

Lower Bound

Upper Bound

 

1 A

47,089(a)

1,693

43,754

50,424

 

2 B

41,451(a)

1,801

37,904

44,999

 

3 C

53,655(a)

1,642

50,421

56,890

 

4 D

44,372(a)

1,720

40,984

47,759

 

5 E

52,341(a)

1,770

48,854

55,827

 

6 F

48,265(a)

1,828

44,665

51,866

 

7 G

60,096(a)

1,097

57,935

62,256

 

8 H

49,512(a)

1,754

46,058

52,967

 

9 I

47,807(a)

1,774

44,314

51,300

 

10 J

48,754(a)

1,804

45,200

52,308

 

a Covariates appearing in the model are evaluated at the following values: homework = 2,02.