Final Exam
1.
How significant is the difference in the
impressions of school special-services personnel, classroom teacher, and
department heads on the management practices of their school administrator? Use
1% alpha.
|
ITEM
|
Personnel
|
Teachers
|
Heads
|
|
1. The
applicant is likewise made aware of the disciplinary measures of erring
personnel.
|
4.632
|
4.698
|
3.983
|
|
2. The
applicant is oriented towards the practices of the organization.
|
4.217
|
4.314
|
4.333
|
|
3. Interviews
are conducted before an applicant takes the exam.
|
4.823
|
4.783
|
4.799
|
|
4. Examinations
play an important role in recruitment.
|
4.442
|
4.392
|
4.111
|
|
5. Interviews
are conducted in recruiting personnel.
|
3.984
|
3.872
|
3.867
|
2.
A guidance counselor believes that the pulse
rates of the students likely increase before an examination. To test this claim, she randomly picked 12
first year high school students and took their pulses before an ordinary class
meeting and then again before a class meeting that consisted of an
examination. Use 5% of significance to
test the guidance counselor’s claim.
|
Student
|
Pulse
Rate Before Exam
|
Pulse Rate
Before Ordinary Class
|
|
A
|
85
|
80
|
|
B
|
80
|
80
|
|
C
|
76
|
79
|
|
D
|
75
|
80
|
|
E
|
83
|
81
|
|
F
|
72
|
70
|
|
G
|
77
|
73
|
|
H
|
81
|
74
|
|
I
|
69
|
72
|
|
J
|
77
|
75
|
|
K
|
82
|
76
|
|
L
|
61
|
65
|
3.
The Human
Resource Department is doing a study on job satisfaction. A random sample of 310 employees were given a
test that is designed to measure the level of job satisfaction. Each employee’s salary was also
recorded. Use 0.05 level of significance
to determine if salary and job satisfaction are independent.
|
Satisfaction
|
Under P15,000
|
P15,000 -25,000
|
Over P25,000
|
|
High
|
20
|
20
|
10
|
|
Medium
|
100
|
65
|
35
|
|
Low
|
40
|
15
|
5
|
4.
Calculate the correlation of concordance of the
ranks of the judges on the singing performance of 10 contestants.
|
Contestants
|
Ranks by 4
judges
|
|||
|
1
|
2
|
3
|
4
|
|
|
1
|
9
|
10
|
10
|
9
|
|
2
|
8
|
6
|
7
|
5
|
|
3
|
3
|
1
|
2
|
4
|
|
4
|
10
|
9
|
8
|
10
|
|
5
|
4
|
5
|
1
|
3
|
|
6
|
2
|
3
|
4
|
1
|
|
7
|
7
|
8
|
9
|
6
|
|
8
|
5
|
4
|
6
|
7
|
|
9
|
1
|
2
|
3
|
2
|
|
10
|
6
|
7
|
5
|
8
|
Use 0.05 alpha.
5.
Twenty students are given tests in mathematical ability
and abstract reasoning. The resulting
scores are as follows:
Student Mathematical
Ability Abstract
Reasoning
1 5 7
2 12 14
3 9 11
4 11 9
5 10 10
6 8 6
7 4 3
8 6 9
9 3 4
10 8 9
11 10 11
12 7 12
13 14 13
14 17 13
15 11 14
16 14 12
17 6 10
18 10 5
19 9 7
20 8 9
6.
Apply the two-way ANOVA to the following
data. Use 5 percent level of
significance.
Low Achievers Average Achievers High Achievers
----------------------------------------------------------------------------------------------
English 33 43 41
40 35 31
36 40 38
Filipino 36 42 48
35 43 49
37 42 37
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