Significance Difference in Years in Formal Education between Types of Jobs

Assessment

Contents
INTRODUCTION...........................................................................................................................................3
Question 1...............................................................................................................................................3
Question 2...............................................................................................................................................7
Question 3...............................................................................................................................................9

INTRODUCTION
The given data set is based on local store who is planning whether they should issue a
credit or not. With an aim of finding a particular outcome, different kinds of SPSS tests have
been applied. The rationale behind applying such testes to assess significance difference between
formal education and job types. As well as descriptive analysis of given factors is also completed
under the project.
Question 1
The expectation is of significant difference in years in formal education (Education) between
types of jobs (Job type). Is this expectation supported by the data?
In the question, dependent data is related to types of job. In the given data set, types of job are
categorized in four segments which are as:
0.00 Manual
1.00 Unskilled
2.00 Skilled
3.00 Managerial
Comparison of variable means:
Test of homogeneity:

Between
-
Subjects
Factors
Value
Label
N
Type of
job
.00 Manual 31
1.00 Unskilled 39
2.00 Skilled 26
3.00 Managerial 10
Descripti
ve
Statistics
Dependent
Variable:
Years in
formal
education
Type of
job
Mean Std.
Deviation
N
Manual 6.9677 2.02458 31
Unskilled 11.3077 3.51803 39
Skilled 10.7692 3.20384 26
Manageria
l 15.0000 2.16025 10
Total 10.2547 3.78232 106

Post-hoc Tamhane Test
Multiple
Compariso
ns
Dependent
Variable:
Years in
formal
education
(I) Type of
job
(J) Type of
job
Mean
Difference (I-
J)
Std. Error Sig. 95%
Confidence
Interval
Lower
Bound
Upper Bound
Tukey
HSD
Manual
Unskilled -4.3400* .71153 .000 -6.1984 -2.4815
Skilled -3.8015* .78637 .000 -5.8554 -1.7476
Managerial -8.0323* 1.07539 .000 -10.8411 -5.2234
Unskilled
Manual 4.3400* .71153 .000 2.4815 6.1984
Skilled .5385 .74868 .889 -1.4170 2.4939
Managerial -3.6923* 1.04815 .004 -6.4300 -.9547
Skilled
Manual 3.8015* .78637 .000 1.7476 5.8554
Unskilled -.5385 .74868 .889 -2.4939 1.4170
Managerial -4.2308* 1.10032 .001 -7.1047 -1.3568
Managerial
Manual 8.0323* 1.07539 .000 5.2234 10.8411
Unskilled 3.6923* 1.04815 .004 .9547 6.4300
Skilled 4.2308* 1.10032 .001 1.3568 7.1047
Tamhane Manual Unskilled -4.3400* .67050 .000 -6.1617 -2.5183
Skilled -3.8015* .72596 .000 -5.8088 -1.7942

Managerial -8.0323* .77388 .000 -10.3865 -5.6780
Unskilled
Manual 4.3400* .67050 .000 2.5183 6.1617
Skilled .5385 .84388 .989 -1.7614 2.8384
Managerial -3.6923* .88545 .002 -6.2409 -1.1437
Skilled
Manual 3.8015* .72596 .000 1.7942 5.8088
Unskilled -.5385 .84388 .989 -2.8384 1.7614
Managerial -4.2308* .92815 .001 -6.8871 -1.5744
Managerial
Manual 8.0323* .77388 .000 5.6780 10.3865
Unskilled 3.6923* .88545 .002 1.1437 6.2409
Skilled 4.2308* .92815 .001 1.5744 6.8871
Based on
observed
means.
The error
term is
Mean
Square(Erro
r) = 8.744.
*. The mean
difference is
significant
at the .05
level.
Years in
formal
education
Type of
job
N Subse
t