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INSTRUCTION: ANSWER ALL/ARAHAN: JAWAB SEMUA QUESTION 1/SOALAN 1 Suppose you are working for a company in the music business. They make stereos, musical instruments and

INSTRUCTION: ANSWER ALL/ARAHAN: JAWAB SEMUA

QUESTION 1/SOALAN 1

Suppose you are working for a company in the music business. They make stereos, musical instruments and produce CDs. They decide to do a survey on dance preferences by college students. Basically, they wanted to know about college students interests and practices on dance music. A survey was administered to arandom sample of 37 students and recordedin Table 1:

A Ironic dance B Pro dance C Sway dance

D Dad-dance E Twerk dance

Table 1/Jadual 1

Male

Female

Male

Female

Male

A

A

A

A

E

C

E

C

C

A

A

A

C

B

E

A

C

A

D

D

A

A

B

A

A

C

D

E

B

B

D

A

D

D

A

D

A

a)

Prepare a summary table for dancepreferences. Calculate percentage and sectarian angle of each type of dance preferred.

(4)

b)

Represent these figures on a pie chart.

(3)

c)

Draw a bar chart to represent the dance preferences.

(3)

[Total: 10 marks]

Katakan anda bekerja untuk sebuah syarikat dalam perniagaan muzik . Mereka membuat stereo, alat muzik dan menghasilkan CD. Mereka bercadang untuk mengadakan satukajian mengenai pilihan tarian ke atas pelajar kolej. Pada asasnya, mereka mahu tahu mengenai kepentingan dan amalan pelajar kolej berkenaan muzik tarian. Satu kajian telah dijalankanke atas sampel rawak 37 orang pelajar dan direkodkandalam Jadual 1:

A Ironic dance B Pro dance C Sway dance

D Dad-dance E Twerk dance

a)

Sediakan satu jadual taburan bagi pilihan tarian. Kirakan peratusan dan sudut sektor bagi setiap jenis tarian.

b)

Persembahkan maklumat diatasmenggunakan carta pai.

c)

Lukis satu cartapalang untuk mewakili pilihan tarian.

QUESTION 2/SOALAN 2

Based on Table 1in Question 1:

a)

Prepare a multiple frequency table for dance preferences of both genders.

(2)

b)

Using your frequency table, draw a multiple bar chart to represent the information.

(4)

c)

Briefly discuss and compare the percentage of favorite and least favorite dance preferences of both genders.

(4)

[Total: 10 marks]

Berdasarkan Jadual 1 di Soalan 1:

a)

Sediakan jadual kekerapan berganda untuk pilihan tarian kedua-dua jantina.

b)

Dengan menggunakan jadual kekerapan berganda anda , lukiskan carta palang berganda untuk mewakili maklumat tersebut.

c)

Bincangkan secara ringkas dan bandingkan perbezaan peratusanbagi tarian yang paling digemari dan kurang digemari oleh kedua-dua jantina.

QUESTION 3/SOALAN 3

Table 2: Mathematics Score/Jadual 2: Skor Matematik

27

37

30

28

39

25

45

28

32

28

26

38

31

30

47

41

a)

Based on Table 2, organize the data into a frequency distribution by taking 25 as the lowest boundary and 5 as the class width.

(4)

b)

Construct a less than or equal ogive for the frequency distribution established in (a) and then approximate the number of candidates who scores below 35.

(6)

[Total: 10 marks]

a)

Berdasarkan jadual2, bina sebuahjadualtaburan kekerapan dengan mengambil25 sebagai sempadan bawah kelas pertamadan 5sebagai lebar kelas.

b)

Bina ogif "kurang daripada atau sama " bagi jadual taburan kekerapan daripada soalan a) dan kemudian anggarkan jumlah calon yang mendapat skor di bawah 35.

QUESTION 4/SOALAN 4

A bag contains 3 black balls and 5 white balls. Paul picks a ball at random from the bag and replaces it back in the bag. He mixes the balls in the bag and then picks another ball at random from the bag.

a)

Construct a probability tree of the problem.

(5)

b)

Calculate the probability that Paul picks:.

i) two black balls

(2)

ii) a black ball in his second draw

(3)

[Total: 10 marks]

Sebuah beg mengandungi 3 bola hitam dan 5 bola putih. Paul mengeluarkan bola secara rawak daripada beg dan menggantikan semula dalam beg. Beliau menggaul bola dalam beg dan kemudian mengeluarkan bola yang lain secara rawak daripada beg tersebut.

a)

Bina gambar rajah pokok bagi masalah di atas.

b)

Kirakan kebarangkalian bahawa Paul mengeluarkan:

  • dua bola hitam

  • bola hitam pada pengeluaran kedua

QUESTION 5/SOALAN 5

The following data represent the heights of 16 adults in centimetresHere is another data set of heights, of 16 Form 1 learners.

132 ; 132 ; 156 ; 147 ; 162 ; 168 ; 152 ; 174; 141 ; 136 ; 161 ; 148 ; 140 ; 174 ; 174 ; 162

Draw a histogram and a frequency polygon for this data set using the same interval length as in (a). Then compare the two frequency polygons on one graph to see the differences between the distributions.

(5)

(5)

[Total: 10 marks]

Data berikut mewakili ketinggian 16 orang dewasa dalam sentimeter.

162 ; 168 ; 177 ; 147 ; 189 ; 171 ; 173 ; 168; 178 ; 184 ; 165 ; 173 ; 179 ; 166 ; 168 ; 165

Bahagikan data kepada 5 selang sama panjang di antara 140 cm dan 190 cm dan lukis sebuahhistogram.

  • Berikut adalah satu lagi set data ketinggian, 16pelajartingkatan1 .

132 ; 132 ; 156 ; 147 ; 162 ; 168 ; 152 ; 174; 141 ; 136 ; 161 ; 148 ; 140 ; 174 ; 174 ; 162

Lukiskan poligon kekerapan bagi set data ini menggunakan panjang selang yang sama seperti dalam contoh sebelumnya. Kemudian bandingkan dua poligon kekerapan pada satu graf untuk melihat perbezaan antara taburan.

________________________________________________________________________

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