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"Methods of Economic Analysis" question number distribution across years
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JAMB questions for "Economics :: Methods of Economic Analysis"
Q1
The standard deviation of a set of data is
A
always measured from the mode
B
always measured from the median
C
the most representative of averages
D
a measure of dispersion
E
Q2
The mean is the best measure of central tendency because it
A
is not affected by extreme values in a data
B
is a balancing point in an observation
C
is a midpoint value in array of data
D
can be calculated from incomplete data
E
Q3
The most popular sizes of dresses and shoes are determines by the
A
range
B
mode
C
mean
D
median
E
Q4
A cumulative frequency graph is
A
a histogram
B
an ogive
C
a bar chart
D
a pie chart
E
Q5
If the standard deviation of a given data is 8.2, find its variance
A
4.1
B
67.2
C
82.0
D
91.8
E
Q6
Calculate the mean
A
45.5
B
55.6
C
5.8
D
65.8
E
Q7
What is the modal score?
A
36
B
42
C
54
D
62
E
Q8
The range is used to
A
calculate the standard deviation
B
measure the difference between the mean and the mode
C
determine the spread of a set of data
D
estimate the mean from grouped data
E
Q9
What is the median wage?
A
N6.50
B
N5.00
C
N11.00
D
N8.00
E
Q10
Calculate the mean wage.
A
N4.00
B
N7.40
C
N10.00
D
N14.80
E
Q11
The maximum number of workers that should be hired is
A
4
B
3
C
2
D
5
E
Q12
The range of the data 14,13,15,18,20,35 and 13 is
A
18
B
20
C
22
D
13
E
Q13
What is the median quantity?
A
5kg
B
6kg
C
3kg
D
4kg
E
Q14
Find the mean price of the distribution
A
N54
B
N51
C
N56
D
N59
E
Q15
In any set of data, the median represents the
A
difference between the highest and lowest values when arranged in ascending order
B
value that is most representative of the data
C
mid-position when the values are arranged randomly
D
mid-position when the values are arranged in ascending of descending order
E
Q16
A large standard deviation is an indication of
A
wide spread around the mean
B
the difference between the highest and the lowest values
C
a wide difference the mean and the mode
D
the size of the sample
E
Q17
In economic analysis, a statement is said to be normative if it
A
relates to value judgement
B
is incorrect
C
can be tested scientifically
D
is contradictory
E
Q18
A scientific approach in economic analysis entails
A
a normative method only
B
both inductive and deductive methods
C
a deductive method only
D
both inductive and a normative methods
E
Q19

In the pie chart below, the percentage for children is equivalent to

A

288o

B

144o

C

90o

D

72o

E
Q20
If the arithmetic mean of 1,2,5,6,x,16 and 18 is 8.0, find the value of x.
A
7.0
B
6.0
C
8.5
D
8.0
E
Q21
If the pass mark was 40, how many students passed the examination?
A
100
B
120
C
160
D
200
E
Q22
How many students took the examination?
A
280
B
240
C
200
D
80
E
Q23
The graphs above illustrate
A
joint demand
B
derived demand
C
composite demand
D
competitive demand
E
Q24
In a firm, three employees earn N5,500 each, four earn N3,300 each, two earn N5,000 each and one earns N7,000. The mean income of employees is
A
N5,200
B
N4,670
C
N4,670
D
N2,080
E
Q25
If Y represents the income earned by workers in a factory, find the range of their income which satisfies the following inequality: 4y - 300 > 500
A
y >300
B
y > 250
C
y > 200
D
y > 150
E
Q26
The circular flow of income defines the
A
relationship between ends and means in the economic system
B
allocation of income to various members of the household
C
flow of goods, services and money among the various macro-sectors of the economy
D
micro-economic relationships in economic analysis
E