Statistics for Geographers (GPLA2103)
BA. Geography and Planning - GP
Semester: First Semester
Level: 200
Year: 2019
REPUBLIC OF CAMEROON
Peace - Work - Fatherland
The UNIVERSITY OF BAMENDA
P.O. BOX 39 Bambili
School: ARTS Department; GEOGRAPHY AND PLANNING Lecturer(s): Dr Achankeng/Mr Ntoban
Course Code: GPLA2103
Course Title:
Statistics for Geographers Date:
February
2019
Hall: Time:
Answer all questions
Question 1
River Discharge Discharge rank
Rainfall Rainfall rank D D squared
A
12
24
B 17
19
C
5
D 9
15
E 3
26
F
27
29
G
33
30
H 25
13
Study the table above which shows the relationship between rainfall and river
discharge.
i. Complete the table by inserting the unfilled table.(8mks)
ii. State the null hypothesis.(lmk)
iii. Calculate the Spearman’s rank correlation.(8mks)
iv. State the statistical significance of the result.(3mks)
Question 2
Study the table below which shows monthly rainfall for a given station.
v. a) Calculate the variance of rainfall at the station.(12mks)
vi. b) State the significance of your result (3mks)
Month J F
M
A M J J
A
S O
N D
Rainfall (mm)
0
5
25 50
190 300 280
150 120
80 0 0
Question 3
Find:
a) The variance
b) The standard deviation for the following data set: 11, 12, 13,14, 15,16,17
c) Find the mode deviation for x: 10, 15, 20, 30, 40 50, 60
f: 1,3,4, 6,3,2, 1.
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