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BRM622S - BASIC RESEARCH METHODOLOGY - 1ST OPP - NOV 2022 |
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,r·
n Am I BI A u n IVER s I TY
OF SCIEnCE Ano TECHnOLOGY
FACULTYOF HEALTH, NATURAL RESOURCESAND APPLIED SCIENCES
DEPARTMENT OF AGRICULTUREAND NATURAL RESOURCESSCIENCES
QUALIFICATION:BACHELOROF NATURALRESOURCESMANAGEMENT (NATURE
CONSERVATION}
QUALIFICATIONCODE: 07BNTC
LEVEL: 7
COURSECODE: BRM622S
COURSENAME: BASICRESEARCHMETHODOLOGY
DATE:
DURATION:
NOVEMBER 2022
3 HOURS
MARKS: 100
FIRST OPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER(S} Mr Brian J. Mhango
MODERATOR: Prof Ben Strohbach
INSTRUCTIONS
1. Answer ALL the questions.
2. Write clearly and neatly.
3. Number the answers clearly.
PERMISSIBLE MATERIALS
1. Examination question paper
2. Answering book
THIS QUESTION PAPERCONSISTSOF 3 PAGES(Excluding this front page)
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ANSWER ALL THE QUESTIONS IN THIS QUESTION PAPER
QUESTION 1
a) List five most important words in statistics that a researcher must know
(5)
b) Review the following statements and decide whether a given statement refers to data on the
Nominal, Ordinal, Interval or Ratio scale:
{10)
i. Colours on the Namibian flag
ii. Numbers on the shirts of players of a football team
iii. Ages of students in the research methodology class
iv. Average temperatures of each day in a week
v. Milligrams of a substance in 28 samples of a product
vi. Number of pages in a textbook
vii. The rating of TV programmes on NBC ranging from "poor" to "good" to "excellent"
viii. The final grades {A, B, C, D, and F) for Matric students in a chemistry class
ix. The annual salaries for all lecturers at NUST
x. List of postcodes for Windhoek suburbs
Hint: Use the letter N for Nominal, 0 for ordinal, I for interval and R for ratio data.
[15]
QUESTION 2
A data set consists of nine {x,y) pairs of numbers: {8,16) {9,9) {10,4) {11,1) {12,0) {13,1) {14,4) {15,9)
{16,16)
a. Plot the data in a scatter diagram/ plot.
{8)
b. Based on the scatter diagram, is the relationship between x and y linear or non-linear?
(2)
[10]
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QUESTION 3
A nature conservation consulting company based in Otjiwarongo undertook an animal count (survey)
in three national parks over a three-year period {2000 -2002). The results of the surveys is presented
in the table below:
Park Name
Etosha NP
Namib-Naukluft NP
Bwabwata NP
Year
2000
2001
2002
2000
2001
2002
2000
2001
2002
Zebra
29
30
18
22
17
19
29
15
11
Elephant
26
16
27
12
28
21
18
20
14
Springbok
13
10
14
24
12
16
21
18
21
Kudu
24
25
24
16
27
24
25
19
18
Gemsbok
30
14
17
17
21
14
10
22
23
a) Based on the animal count data in the table above, test the hypothesis that the population of
Zebras, Elephants, Springbok and Kudu counted in the three national parks from 2000 to 2002
was significantly different ?
(40)
b) Of the four animals species in the three national parks, which animal had the highest probability
of been seen (or observed) during these surveys? Provide the probability value as well.
(5)
[45]
QUESTION 4
a) List at least five important questions that a researcher must bear in mind when conducting a
literatre review.
{10)
b) With reference to the research process, briefly explain how you would organize the literature
review process.
{20)
[30]
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STATISTICS FORMULAS
L11 X;
x=..i::!..__
n
L 2
(0-E)2
X= E
L11
(x; -x)2
= s-
i=I
n-1
L11
1 r =n (is~ x)(Yyis)~
i=l
Chi-Square Critical Values Table
.995 .99 .975 .95
.9
.1
.01
1 0.00 0. 0 0.00 0.00 0.02 2.71
6.63
2 0.0] 0.02 0.05 0.10 0.21 4.61 .5.99
9.2l
3 0.07 0.11 0.22 0.35 0.5
6.25 7. l 9.3fi 11.34
1 0.21 0.30 0.4 0.71 1.06 7.7
9.49 11.1 · 13.2c
5 0.41 0.55 0.c3 1.15 1.61 9.24 11.07 12. 3 15.09
6 0.6 0. 7 1.24 1.64 2.20 l0.64 12.59 14.45 1 1
7 0.99 1.24 1.69 2.17 2. 3 12.02 14.07 16.01
1.34 1.65 2.1 2.73 3.49 13.36 15.51 17.53 20.09
9 l.73 2.09 2.70 3.33 4.17 14.6 16.92 19.02 21.67
10 2.16 2.56 3.25 3.94 4. 7 15.99 1 .31 20.4 23.21
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