1. STATISTIK II 2014
1. Determine the mode of each of the following sets of data.
Tentukan mod bagi setiap set data berikut.
a) 72, 70, 64, 70, 62, 72, 70
Ans:70
b) D, E, T, E, R, M, I, N, E
Ans: E
c)
Ans: L
Size S M L XL XXL
Frequency 20 15 25 10 10
d)
Ans: 60
Mark
Markah
50 55 60 65
No. of
students
Bilangan
pelajar
8 7 12 5
e) Number of storybooks read by four
students
Bilangan buku cerita yang dibaca
oleh empat pelajar
Ahmad
Hui Min
Bryan
Chen Kok
represents 2 books
Ans: Bryan
f) Number of students in Form 3 classes
Bilangan pelajar tingkatan 3 dalam
kelas.
Ans: 3B
0
10
20
30
40
50
3A 3B 3C 3D
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class
Number
of
students

2. STATISTIK II 2014
1.
The pie chart illustrates the sales of various grades of petrol.
Carta Pai menunjukkan jualan bagi beberapa gred Petrol.
i) Calculate the percentage of sales for Petrol A.
Kirakan peratus jualan bagi Petrol A
Percentage of sales =
126°
360°
× 100%
= 35%
ii) If Petrol C accounts for 20% of total sales, calculate the angle of
Jika Petrol C mewakili 20% daripada keseluruhan jualan, kira sudut bagi
a) X =
20
100
× 360° = 72°
b) y 𝑦° + 72° + 80° + 126° + 30° = 360°
𝑦 = 360° − 308°
𝑦 = 52
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Petrol E
Petrol A
1260
Petrol B
800
Petrol C
X0
Petrol D
y0

3. STATISTIK II 2014
2.
All the Form 3 students took part in a survey on their favourite hot drinks.The results
were shown in the pie chart above.
Semua pelajar Tingkatan 3 mengambil bahagian dalam tinjauan tentang minuman
panas kegemaran mereka. Hasil tinjauan ditunjukkan pada carta pai di atas.
i) Which drink was least preferred by the Form 3 students?
Minuman apakah yang kurang digemari oleh pelajar tingkatan 3.
milk
ii) Which was the most popular drink among the form 3 students?
Minuman apakah yang paling digemari oleh pelajar tingkatan 3?
Tea
iii) How many percent of the students like hot chocolate?
Hitungkan peratus pelajar yang menggemari coklat panas?
% 𝑜𝑓 𝑠𝑡𝑢𝑑𝑒𝑛𝑡𝑠 𝑤ℎ𝑜 𝑙𝑖𝑘𝑒 ℎ𝑜𝑡 𝑐ℎ𝑜𝑐𝑙𝑎𝑡𝑒 =
90°
360°
× 100°

4. STATISTIK II 2014
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Determine the median for each set data
Tentukan median
1. 4, 2, 5, 4, 7, 2, 1,6
4
2. 30m, 10m, 30m, 10m, 40m
30m
3.
Number of
goals
0 1 2 3 4
Frequency 1 5 4 4 3
Median =
4.
Score A B C D
Frequency 6 3 4 2
Median =
2
B

5. STATISTIK II 2014
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Construct a pie chart to represent each data in the table.
Bina sebuah carta pai untuk mewakili data yang diberi dalam setiap soalan berikut.
1. The table below shows the favourite games the students of Form 3A.
Jadual dibawah menunjukkan sukan yang digemari oleh pelajar Tingkatan 3A.
Games Badminton/Bad
minton
Football/ Bola
sepak
Volleyball/ Bola
tampar
Hockey/ Hoki
Frequency 8 12 7 9
Angle 800
1200
700
900
2. The table below shows the number of accidents on the road.
Jadual dibawah menunjukkan bilangan kemalangan di jalan.
Lebuh raya Jalan persekutuan Jalan bandaran Lain-lain
4 9 14 3

6. STATISTIK II 2014
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Calculate the mean
Hitungkan purata
1. 21 , 30 , 25 , 27 , 31 , 34
28
2. 7, 4, 6 , 8, 5 , 7, 5
6
3.
Mass (g) 5 6 7 8
Frequency 5 2 6 7
Mean =
4.
Score 1 2 3 4 5
frequency 3 5 8 1 3
Mean =
6.75
2.8

7. STATISTIK II 2014
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1.
The pie chart illustrates the types of occupations undertaken by the working population
of Kampung Aman. Given that there are 450 businessman, calculate the
Carta pai di sebelah menunjukkan pembahagian pekerjaan penduduk di sebuah
kampung. Diberi bilangan peniaga kecil ialah 450 orang. Kirakan
a) Number of people in the kampung who are
Bilangan bilangan
i) Farmers
petani
Farmers
150˚
Factory
workers
Businessmen
30˚
Fishermen
70˚
Typesof occupations
2250

8. STATISTIK II 2014
ii) Factory workers.
Pekerja kilang
b) Percentage of fishermen in the working population
Peratusan penduduk yang terdiri daripada nelayan
1650
19.4%

9. STATISTIK II 2014
2.
Diagram 2 is a pie chart which shows the number of pupils in five group who complete
an assignment during a motivational camp.
It is given that the total number of pupils who complete the assignment is 36.
a) Find the value of x
2
b) Calculate the angle of the sector representing the Tuah group.
100˚
c) State the mode of you data.
Lekiu
Diagram 2

10. STATISTIK II 2014
1.
Mass/Berat (kg)
4 5 6 7 8
Frequency /
Kekerapan
2 4 5 6 3
The mass of 20 infants recorded in a health clinic is shown in the frequency table
below. Find
Berat bagi 20 bayi yang dicatatkan di klinik kesihatan ditunjukkan dalam jadual
kekerapan di bawah. Cari
a) Mode / mod ans: 7
b) Median / median ans: 6
c) Mean / min ans: 6.2
2. The sizes of a particular brand of jeans sold in a shop are
Saiz seluar dengan jenama tertentu yang dijual oleh sebuah kedai ialah
a) Find the mode, median and mean of the sizes sold.
Cari mod, median dan min saiz seluar itu.
Mod: 28
Median : 27
Min : 26.13
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28, 25, 23, 24, 27, 28, 29, 23, 28, 22, 25, 28, 24, 30, 28