Statistics for Economics and Business 1 (ECON2105)
Faculty of Economics and Management Science (FEMS)
Semester: First Semester
Level: 200
Year: 2015
EXERCISE 1: (05marks)
The mean of the following numbers is 20: 20, 18, c, 24, 23, 13. Find the value of c.
EXERCISE 2: (05marks)
The number of goals scored in the first three divisions of the football league championship of
Cameroon on 4 February 2015 were:
6, 5, 3, 3, 5, 3, 1, 2, 4, 2, 2, 5, 1, 2, 2, 3, 8, 2, 4, 5, 3, 3, 0, 2, 5, 0, 1, 0, 3, 0, 1, 2, 7, 1, 2.
Find: a) the mode; b) the mean of the number of goals scored.
EXERCISE 3 (10 marks)
Suppose a random sample of twenty individuals are asked whether they prefer coffee (C) or tea
(T) and whether they prefer wine (W) or beer (B). their answers are listed below:
(C, B) (T, W) (C, W) (C, W) (T, B) (C, B) (T, B) (C, W) (T, B) (C, B) (C, W) (T, B) (T, B) (T,
B) (C, B) (T, B) (C, W) (C, B) (T, W) (T, B). the information is difficult to comprehend when
presented as a list.
1.
In order to easy assimilate this information, you are requested to display in a suitable
table
2.
Comment your table in one sentence.
EXERCISE 4: (10 marks)
1.
Fine the Laspeyres and the Paasche price indices for the following “basket of
commodities”. The content of the basket has changed with the passage of time because of
the changes in the habits of consumers (which may be partly in response to price
changes). The base year is 1980
2.
Explain why the Paasche index has an appreciably smaller value than the Laspeyres
index?
THE UNIVERSITY OF BAMENDA
FACULTY OF ECONOMICS AND MANAGEMENT SCIENCES
1
st
Semester C.A
Course Title: Statistics for Economics and Business 1
Credit Value:
Course Lecturers:
Time:
Course Code: ECON205
Venue:
www.schoolfaqs.net
Commodity
1980 price
(pence)
P
0
1980 quantity
Q
0
1990 price
(pence)
P
n
1990 quantity
Q
n
A
112 12 145 15
B
26 40 38 50
C
500 2 600 8
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