staitistic paper 2
TRANSCRIPT
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8/2/2019 Staitistic Paper 2
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Nama Sekolah / School Name
Test Name
Paper 2 (60 marks) Time: 1 hour 45 minutes
This paper consists of20 questions. Answerall questions. Write your answer clearly in the spacesprovided in the question paper. Show your working. It may help you to get marks. If you wish to
change your answer, erase the answer that you have done. Then write down the new answer. The
diagrams in the questions provided are not drawn to scale unless stated. The marks allocated for each
question are shown in brackets. This question paper must be handed in at the end of examination.
1 Table 1 shows the number of storybooks read by a group of students in a month.
Number of
books0 1 2 3 4 5
Number ofstudents 3 9 6 10 10 7
Table 1
Find the median of the data.
[2 marks]
Answer:
2 Diagram 1 is a pie chart showing the ways of a group of teenagers spent their leisure time.
Diagram 1
Calculate the percentage of the teenagers spent their leisure time on television.
[2 marks]
Answer:
3 Diagram 2 is a data showing the scores obtained by 30 students in a game.
3 1 3 2 2 2 2 1 3 2
2 4 4 4 2 2 3 3 3 3
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3 1 5 4 4 3 3 4 5 1
Diagram 2
(a) Complete the frequency table.
Score 1 2 3 4 5
Frequency (b)State the median score.
[4 marks]
Answer:
4 Table 2 shows the number of storybooks read by a group of students in a month.
Number of
books
0 1 2 3 4 5
Number of
students10 2 10 6 3 2
Table 2
Find the median of the data.
[2 marks]
Answer:
5 Diagram 3 is a pie chart showing the ways of a group of teenagers spent their leisure time.
Diagram 3
Calculate the percentage of the teenagers spent their leisure time on internet.
[2 marks]
Answer:
6 Diagram 4 is a data showing the scores obtained by 34 students in a game.
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1 3 3 5 3 4 5 4 1 1
3 1 4 4 1 5 2 4 5 4
4 4 2 5 1 1 5 4 1 1
4 3 1 5
Diagram 4
(a) Complete the frequency table.
Score 1 2 3 4 5
Frequency
(b)State the median score.
[4 marks]
Answer:
7 Table 3 shows the number of storybooks read by a group of students in a month.
Number of
books0 1 2 3 4 5
Number of
students6 3 2 7 7 4
Table 3
Find the median of the data.
[2 marks]
Answer:
8 Diagram 5 is a pie chart showing the ways of a group of teenagers spent their leisure time.
Diagram 5
Calculate the percentage of the teenagers spent their leisure time on sports.
[2 marks]
Answer:
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9 Diagram 6 is a data showing the scores obtained by 32 students in a game.
2 3 4 5 1 3 3 4 2 3
3 3 1 1 3 5 5 1 5 5
5 4 1 1 2 4 1 5 3 1
2 4Diagram 6
(a) Complete the frequency table.
Score 1 2 3 4 5
Frequency
(b)State the median score.
[4 marks]
Answer:
10 Table 4 shows the number of storybooks read by a group of students in a month.
Number of
books0 1 2 3 4 5
Number of
students2 10 6 9 10 8
Table 4
Find the median of the data.
[2 marks]Answer:
11 Diagram 7 is a pie chart showing the ways of a group of teenagers spent their leisure time.
Diagram 7
Calculate the percentage of the teenagers spent their leisure time on sports.
[2 marks]Answer:
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12 Diagram 8 is a data showing the scores obtained by 24 students in a game.
2 3 5 1 2 5 4 1 2 52 2 2 3 3 2 4 3 2 3
1 5 2 3
Diagram 8
(a) Complete the frequency table.
Score 1 2 3 4 5
Frequency
(b)State the median score.
[4 marks]
Answer:
13 Table 5 shows the number of storybooks read by a group of students in a month.
Number of
books0 1 2 3 4 5
Number of
students3 6 5 10 3 9
Table 5
Find the median of the data.
[2 marks]
Answer:
14 Diagram 9 is a pie chart showing the ways of a group of teenagers spent their leisure time.
Diagram 9
Calculate the percentage of the teenagers spent their leisure time on sports.
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[2 marks]
Answer:
15 Diagram 10 is a pie chart showing the number of students in four classes who took part in a motivationcamp.
Diagram 10
The total number of students who took part in the camp is 90.
(a) Find the value ofp.
(b) Calculate the angle of the sector
representing the Yellow class.
[4 marks]
Answer:
16 Diagram 11 is a pie chart showing the number of students in four classes who took part in a motivation
camp.
Diagram 11
The total number of students who took part in the camp is 60.
(a) Find the value ofk.(b) Calculate the angle of the sector
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representing the Yellow class.
[4 marks]
Answer:
17 Diagram 12 is a pie chart showing the number of students in four classes who took part in a motivation
camp.
Diagram 12
The total number of students who took part in the camp is 90.
(a) Find the value ofa.
(b) Calculate the angle of the sector
representing the Yellow class.
[4 marks]
Answer:
18 Diagram 13 is a pie chart showing the number of students in four classes who took part in a motivation
camp.
Diagram 13
The total number of students who took part in the camp is 80.
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(a) Find the value ofd.
(b) Calculate the angle of the sector
representing the Yellow class.
[4 marks]
Answer:
19 Diagram 14 is a pie chart showing the number of students in four classes who took part in a motivation
camp.
Diagram 14
The total number of students who took part in the camp is 90.
(a) Find the value ofa.
(b) Calculate the angle of the sector
representing the Green class.
[4 marks]
Answer:
20 Diagram 15 is a pie chart showing the number of students in four classes who took part in a motivation
camp.
Diagram 15
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The total number of students who took part in the camp is 90.
(a) Find the value ofp.
(b) Calculate the angle of the sector
representing the Blue class.
[4 marks]
Answer:
Answer:
1 Total frequency
= 3 + 9 + 6 + 10 + 10 + 7
= 45
The median
= 3
2 100%
= 25%
3 (a) Complete the frequency table.
Score 1 2 3 4 5
Frequency 4 8 10 6 2
(b)3
4 Total frequency
= 10 + 2 + 10 + 6 + 3 + 2
= 33
The median
= 2
5 100%
= 25%
6 (a) Complete the frequency table.Score 1 2 3 4 5
Frequency 10 2 5 10 7
(b)3.5
7 Total frequency
= 6 + 3 + 2 + 7 + 7 + 4
= 29
The median
= 3
8 100%
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= 75%
9 (a) Complete the frequency table.
Score 1 2 3 4 5
Frequency 8 4 8 5 7
(b)3
10 Total frequency
= 2 + 10 + 6 + 9 + 10 + 8
= 45
The median
= 3
11 100%
= 50%
12 (a) Complete the frequency table.
Score 1 2 3 4 5
Frequency 3 9 6 2 4
(b)2.5
13 Total frequency
= 3 + 6 + 5 + 10 + 3 + 9
= 36
The median
= 3
14 100%
= 75%
15 (a) 2p + 2p + 3p + 55 = 90
7p = 35
p = 5
(b) 360
= 40
16 (a) 4k+ 3k+ 2k+ 15 = 609k= 45
k= 5
(b) 360
= 90
17 (a) 3a + 4a + 8a + 15 = 90
15a = 75
a = 5
(b) 360
= 80
18 (a) d+ d+ d+ 20 = 80
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3d= 60
d= 20
(b) 360
= 90
19 (a) 6a + 4a + 5a + 15 = 9015a = 75
a = 5
(b) 360
= 60
20 (a) 5p + 9p + 2p + 10 = 90
16p = 80
p = 5
(b) 360
= 40