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Statistics And Cartography Question Paper

Statistics And Cartography

Course:Bachelor Of Arts In Geography

Institution: Kenyatta University question papers

Exam Year:2010

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2010/2011
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
ARTS, BACHELOR OF SCIENCE AND BACHELOR OF EDUCATION
AGE 200:
STATISTICS AND CARTOGRAPHY

=================================================================
DATE: THURSDAY 2ND DECEMBER 2010 TIME: 2.00 P.M. - 4.00 P.M.

INSTRUCTIONS
Answer any three questions at least one from each section.
Illustrations should be used where appropriate.

SECTION I - STATISTICS
1.
a)
Define the following:

i)
An experiment

ii)
Empirical probability
iii)
Sample space
iv)
Confidence level
v)
Mutually exclusive events.

(10 marks)

b)
Concisely describe four sampling techniques and their relevance in

Geographical studies.

(13 1/3 marks)

2.
a)
Define sampling error and explain its causes and effects.

(5 marks)

b)
Describe Poisson distribution specifying its use and assumptions. (10 marks)

c)
The data below shows sample sizes of randomly chosen households in

divisions of two districts, A and B who prefer the use of new family planning

method.

Districts
A
10
30
20
40
15
25
35
42
18
B
20
25
18
29
12
30
21
38
16

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Can we say that the two districts prefer the use of new family planning

method at 0.01 level of significance?

(8 1/3 marks)

3.
a)
Discuss the use and conditions for using a Chi-square test. (10 1/3 marks)

b)
In a random sample test in health facilities the % positive cases for malaria

and AIDS were recorded as follows:

HEALTH FACILITY
DISEASE
1
II
III
IV
V
Malaria
30
50
40
15
25
AIDS
10
25
12
18
15

i)
Compute expected frequencies for each disease type
(4 marks)

ii)
Postulate Ho

(4 marks)

iii)
Conduct a X2 test at 0.05 level of significance for each type of

disease.

(5 marks)

SECTION 2 - CARTOGRAPHY
4.
Define the following

i)
Graph

(2 marks)

ii)
Connectivity

(2 marks)
iii)
Network analysis

(2 marks)
5.
a)
Distinguish

i)
General maps from special maps

(2 marks)

ii)
Chart from a map

(2 marks)

iii)
A plan from a map

(2 marks)

b)
Discuss the purpose and elements of transport network analysis.

(17 1/3 marks)

6.
a)
What is a base map?

(3 marks)

b)
Discuss topographic map as a base map.

(20 1/3 marks)
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Statistics And Cartography Question Paper

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