Introduction to Social Statistics (CADA4107)
BA. Communication and Development Studies - CDS
Semester: First Semester
Level: 400
Year: 2019
UNIVERSITY OF BAMENDA
2. Differences between
a
bar
chart
and
a
histogram.
3. Give
the
procedure
that
can
be
used
to
compute
the
p
th
percentile.
a. Develop a
cross
tabulation for
the
data, with x as
the
row
variable
and y as
the
column variable.
b. Compute the row percentage.
c. Compute the column percentages
d. What is the relationship, if any, between x and y?
Observation
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Observation
Exercise 2
(25marks)
1 The following data are for 30 observations involving two qualitative variables, x and y.
The categories for x are A. B. and C; the categories for y are 1 and 2.
FACULTY OF ARTS
RESIT EXAMINATIONS
DEPARTMENT: CADS
DATE/VENUE: 05/03/2019 - 08:30
YEAR: 2018/2019
TIME ALLOWED: 2 hrs
VENUE: PBB07
COURSE LECTURERS: Dr. U.E. Jumbo
COURSE CODE: CADA 4107
COURSE TITLE: Introduction to Social Statistics
CREDIT VALUE: 6
Instructions: Answer all three questions
Exercise
1 (20marks)
1
.
Give
five
measures of
location,
five
measures of
variability and
two
measures of
association
between
two
variables
Exercise 3 (25marks).
1. Consider a sample with data values of 27,25,20,15,30,34,28 and 25. Compute the 20
th
,25
th
, 65
th
and 75
th
percentiles
2. Consider a sample with data values of 53,55,70,58,64,57,53,69,57,68; and 53. Compute the mean,
median and mode.
GOOD LUCK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
X
A
B
B
C
B
C
A
B
A
B
C
C
C
B
C
Y
1
1
1
2
1
2
1
2
1
1
1
1
2
2
2
X
B
C
B
C
B
C
B
C
A
B
C
C
A
B
B
Y
2
1
1
1
1
2
1
2
1
1
2
2
1
1
2
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