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IOP2601 Exam pack 2024(Questions and answers)
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IOP2601 EXAM PACK2024
QUESTIONS AND
ANSWERS
FOR ASSISTANCE CONTACT
EMAIL:gabrielmusyoka940@gmail.com
,UNIVERSITY EXAMINATIONS
Sept/Oct/Nov 2021
IOP2601
Organisational Research Methodology
70 Marks
Duration: 24 Hours (1 Day)
Examiners:
First: Dr N Bekwa Ms T Tshivhase Ms M Kumbi
Second: Ms C Tebele
This examination question paper consists of 6 pages.
Instructions:
The duration of the exam is 24 hours (one day) and will commence at 17:45 on 30 November 2021 and
conclude at 17:45 on 01 December 2021.
Please find below the exam questions that you are to complete and submit before 17:45 on 01 December
2021.
You are expected to note the following:
1. To complete this assessment, you need access to a computer and good internet access.
2. Insert a cover page, which clearly reflects your student number and the module code.
3. You should answer all 8 questions.
4. Clearly indicate the question number.
5. Save your assessment in a pdf format before uploading it on the myUnisa assessment system.
6. If you realize you will not finish within the allocated time, please submit your work before the system
closes.
7. Should you encounter technical problems during the assessment, contact
CEMSexams@unisa.ac.za. Make sure you include your student number in the subject line.
[TURN OVER]
, 2
IOP2601
Sept/Oct/Nov 2021
QUESTION 1 [10]
1.1 Differentiate between the nominal and ordinal scales of measurement. (4)
1.2 Compare and contrast the mean, median and the mode. (4)
1.3 Explain the key differences in the selection of related samples from independent samples. (2)
QUESTION 2 [5]
The following table shows the performance of IOP2601 students in the multiple choice (MCQ) assignment.
Performance in MCQ Assignment N Cumulative % Frequency %
Frequency Cumulative
Frequency
0% - 9% 1 1 0,97 0,97
10% - 19% 1 2 0,97 1,94
20% - 29% 1 3 0,97 2,91
30% - 39% 1 4 0,97 3,88
40% - 49% 2 6 1,92 5,80
50% - 59% 5 11 4,81 10,61
60% - 69% 10 21 9,62 20,23
70% - 79% 19 40 18,27 38,50
80% - 89% 16 56 15,39 53,89
90% - 100% 48 104 46,15 100
2.1 What is the total number and percentage of students who passed the assignment? (2)
2.2 Indicate the total number of students who submitted their IOP2601 assignment. (1)
2.3 What is the total number and percentage of students who failed the assignment? (2)
[TURN OVER]
, 3
IOP2601
Sept/Oct/Nov 2021
QUESTION 3 [17]
The lecturers of IOP2601 realized that students who participate in student support programs perform better
in the examinations. A researcher in your university wanted to test the validity of this study by firstly
assessing the relationship between student support programs (X) and examination performance (Y), and
she found the following information:
STUDENTS STUDENT SUPPORT PROGRAMS (X) EXAMINATION PERFORMANCE (Y)
A 15 20
B 12 16
C 08 14
D 10 22
E 10 12
F 12 18
G 15 21
H 09 14
I 20 25
J 17 20
N = 10 ƩX = 128 ƩX2 =1772 ƩY = 182 ƩY2 = 3466 ƩXY = 2441
ƩXƩY = 128 x 182 = 23296
(ƩX)2 = (128)2 = 16384
(ƩY)2 = (182)2 = 33124
3.1 Calculate the relationship between student support programs (X) and examination performance
scores (Y). (3)
3.2 Interpret the correlation coefficient. (2)
3.3 What can you deduce about the nature of the relationship between the student support programs
(X) and examination performance scores (Y)? (1)
3.4 Calculate the percentage of common variance between the two sets of scores and illustrate it
diagrammatically. (2)
She wishes to predict the examination performance scores (Y).
3.5 If the slope is 0,83 calculate the intercept. (2)
3.6 Calculate the examination performance score (Y) if the student support programs (X) is 20. (2)
3.7 Give a graphical representation of the regression line by indicating the intercept and the predicted
value of student support programs score (X) of 20 on this regression line. (5)
[TURN OVER]
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