4
Use the table below to answer questions 40 and
41
Score
4
7
8
11
13
8
Frequency
3
5
2
7
2
1
40. Find the square of the mode.
A. 49 B. 121 C. 25 D. 64
41.
The mean score is
A. 7.0
B. 8.7 C. 9.5 D. 11.0
42.
Teams P and Q are involved in a game of
football. What is the probability that the
game ends in a draw.
A.
4
1
.
3
1
.
2
1
.
3
2
D
C
B
43.
If
.
,
6
1
6
6
.
.
r
r
P
of
value
the
find
P
A. 30 B. 33 C. 35 D. 15
44.
P
50
40
30
20
10
0
Masses (Kg)
Cummulative
frequency
Q
1
Q
2
Q
3
The graph above shows the cummulative
frequency of the distribution of masses of
fertilizer for 48 workers in one institution.
Which of the following gives the inter
-
quartile range.
A. Q
3
Q
2
B.
)
(
1
3
2
1
Q
Q
.
C.
Q
3
Q
1
D. Q
2
Q
1
45.
No. of passengers
No. of taxis
8
7
6
5
4
3
2
1
0
The histogram above shows the distribution
of passengers in taxis of a certain motor
pack. How many taxis have more than 4
passengers.
A. 16 B. 17 C. 14 D. 15
46.
Colou
r
Blu
e
Blac
k
Yello
w
Whit
e
Brow
n
No. of
Beads
3
5
2
7
2
The distribution of colours of beads in a
bowl is given above. What is the probability
that a bead selected at random will be blue
or white.
A.
15
1
.
3
1
.
5
2
.
15
7
D
C
B
47.
Find the variance
of 2, 6, 8, 6, 2 and 6.
A. 6 B. 5 C.
5
.
6
D
48.
Colour of cars
No. of cars
8
7
6
5
4
3
2
1
The bar chart above shows different colours of
cars passing a particular point of a certain street