ANOVA Descriptive of Student Major

ANOVA Analysis of Student Major

The SPSS output that include ANOVA, Descriptive and the Means Plot is as follows:

Math quiz

Sum of Squares

df

Mean Square

F

Sig.

Between Groups

Within Groups

Total

The ANOVA is completed to test whether the student from different disciplines perform differently in math quiz. The study completes the analysis by comparing scores of students in majors such as pre-med, psychology, economics, sociology and biology. The study tests the group of student to ascertain if their major has a significant effect to math performances. The significant level is t p

The output Post Hoc Tests is as follows:

Multiple Comparisons

Dependent Variable: Mathquiz

Tukey HSD

(I) Major

(J) Major

Mean Difference (I-J)

Std. Error

Sig.

95% Confidence Interval

Lower Bound

Upper Bound

1

2

-1.448

2.705

.983

-9.00

6.10

3

5.389

2.781

.306

-2.37

13.15

4

1.600

3.209

.987

-7.36

10.56

5

-5.775

3.712

.530

-16.13

4.58

2

1

1.448

2.705

.983

-6.10

9.00

3

6.837

2.893

.136

-1.24

14.91

4

3.048

3.307

.888

-6.18

12.28

5

-4.327

3.797

.785

-14.92

6.27

3

1

-5.389

2.781

.306

-13.15

2.37

2

-6.837

2.893

.136

-14.91

1.24

4

-3.789

3.369

.793

-13.19

5.61

5

-11.164*

3.851

.038

-21.91

-.42

4

1

-1.600

3.209

.987

-10.56

7.36

2

-3.048

3.307

.888

-12.28

6.18

3

3.789

3.369

.793

-5.61

13.19

5

-7.375

4.171

.399

-19.02

4.27

5

1

5.775

3.712

.530

-4.58

16.13

2

4.327

3.797

.785

-6.27

14.92

3

11.164*

3.851

.038

.42

21.91

4

7.375

4.171

.399

-4.27

19.02

*. The mean difference is at the 0.05 significant level.

Descriptives

Mathquiz

N

Mean

Std. Deviation

Std. Error

95% Confidence Interval for Mean

Minimum

Maximum

Lower Bound

Upper Bound

1

25

29.60

8.940

1.788

25.91

33.29

13

49

2

21

31.05

8.182

1.785

27.32

34.77

14

47

3

19

24.21

10.401

2.386

19.20

29.22

9

44

4

12

28.00

10.436

3.013

21.37

34.63

11

42

5

8

35.38

6.301

2.228

30.11

40.64

28

45

Total

85

29.07

9.480

1.028

27.03

31.12

9

49