SOLAR 2011

TOPIC 4: STATISTICS II

1.

The table shows the favourite foods of a group of pupils. Draw a line graph to represent the data.Jadual di atas menunjukkan makanan kegemaran bagi sekumpulan pelajar. Lukiskan graf garis bagi menunjukkan data di atas.

[3 marks]

2.

1

FOODSMakanan

NUMBER OF PUPILSBilangan Pelajar

CURRY PUFF 25MUFFIN 15APPLE PIE 15PIZZA 30NOODLE 35

SOLAR 2011

0

5

10

15

20

25

30

35

40

45

50

55

60

1 2 3 4 5

Chinesse

Melayu

The line graph shows the number of students in five societies and clubs. calculate the total number of Chinesse students.Graf garis di atas menunjukkan bilangan pelajar di dalam lima persatuan dan kelab. Hitungkan bilangan pelajar Cina.

[2 marks]

3.

120°

45°

2

Rajah 3Diagram 3

A

B

D

E

C

SOLAR 2011

The pie chart shows the most popular of international football league. The popularity of league C equally to league A and E. Find the angle of league D.Carta pai di atas menunjukkan liga bolasepak antarabangsa yang paling popular. Populariti liga C menyamai liga A dan E. Hitungkan sudut bagi liga D.

[2 marks]4. The diagram shows the number of book borrowed from a school library by 14 students.

Jadual di bawamenunjukkan rekod pinjaman buku bagi 14 pelajar di Pusat Sumber Sekolah.

(a) Using the data, complete the frequency table below.Dengan menggunakan data di atas, lengkapkan jadual di bawah.

Number Frequency

2 43456

(b) State the median.Nyatakan median.

[3 marks]

5. The table below shows the ages of a group of female operators in a factory.Jadual di bawah mmenunjukkan umur bagi operator wanita di sebuah kilang.

Ages Number of workers

25 327 429 731 x33 5

The median age of the worker is 29 years old. Find the possible value of x. Median bagi umur operator tersebut ialah 29 tahun. Hitungkan nilai mungkin bagi x.

3

3 2 4 3 5 6 24 2 5 5 3 2 6

SOLAR 2011

[3 marks]6. The bar chart shows the incomes of a private company in Malaysia throughout a duration of

five month.Carta Bar di bawah menunjukkan pendapatan lima bulan bagi syarikat swasta di Malaysia.

State the greatest increased between two consecutive months.Bandingkan pendapatan tertinggi bagi dua bulan yang berbeza.

[3 marks]

ANSWERS

TOPIC 4: STATISTICS1.

4

45

40

35

30

25

20

15

10

5

Jan Mac Apr Mei Jun

INC

OM

ES

(R

M M

ILL

ION

)

40

35

30

25

20

15

10

5

Curry Puff Muffin Apple Pis Pizza Noodle

SOLAR 2011

[3 marks]2. 30 + 45 + 45 + 35 + 40 =

195

3. 360 – [(45 X 2 ) + 90 + 120 ] = 604. (a) .

Number Frequency2 43 34 25 36 2

(b) 4 + 3 + 2 + 3 + 2 = 14 ÷ 2 = 7median = 3 [3 marks]

5. Kedudukan median = 14[(3 + 4 + 7 + x + 5) ÷ 2 = 1419 + x = 28x = 9 [3 marks]

6. 45 – 3510 million

[3 marks]

5