Topic 11 data handling
- 1. PAPER 1 This question paper has 20 questions. Answer all the questions. 1. The average of the number 6.8, 13.4, and 20.9 is A 11.7 C 14.1 B 13.7 D 41.1 2. Find the average of 25 ml, 0.9 l, 402 ml and 1.5 l in ml. A 2.827 C 706.75 B 282.7 D 760.75 3. 95 sen 95 sen RM12.3 RM12.3 RM7.05 RM7.05 RM20.7 RM20.7 0 0 0 0 Calculate the average money value of the above. A RM40.90 C RM20.20 B RM30.25 D RM10.25 4. The average volume of juice in five glasses is 421 ml. The total volume, in l, of juice in the five glasses is A 24.26 C 2.426 B 21.05 D 2.105 5. Table 1 shows the number of pupils in Year 4 in four classes. Class Number of pupils 4 Cerdik 40 4 Pintas 38 4 Cergas 44 4 Maju 46 TABLE 1 What is the average number of pupils in each class? A 42 C 138 B 126 D 168 6. The average height of Sunil, Zakry, Bakri and Badrul is 125 cm. Sunil’s height and Zakry’s height are 121 cm, while Bakri’s is 142 cm. Calculate Badrul’s height, in cm. A 106 C 126 B 116 D 134 1
- 2. 7. Diagram 1 shows the volume of water in four containers. 0.4 l 300 ml 0.65 l 2.7 l DIAGRAM 1 Selina pours all the water in the four containers into three jugs. Calculate the average volume, in ml, of water in each jug. A 13 500 C 13.50 B 1 350 D 1.35 8. Table 2, which is incomplete, shows the number of pupils in 4 sports houses in SRK Sri Damai. Sports house Red Yellow Green Blue Number of pupils 386 360 352 TABLE 2 If the average number of pupils in each sports house is 374, find the number of pupils in Yellow House. A 374 C 392 B 386 D 398 9. Diagram 2 shows the marks obtained by five groups in a Science Quiz. P Q R S T 52 48 88 90 DIAGRAM 2 If the average mark of the five groups is 68.6, how many marks did group S get? A 343 C 65 B 278 D 56 10. Vina, Ratna, Vivian and Susan have 95, 83, 108 and 102 stamps respectively. What is the total number of stamps needed to be given away so that the average number of stamps for each person is 90 pieces? A 97 C 79 B 82 D 28 2
- 3. Questions 11 and 12 are based on Table 3 and Diagram 3. Table 3 shows the number of toys 4 pupils have. Pupil Han Ling Reza Ghana Eddy Number of toys 2 8 4 6 TABLE 3 Diagram 3 shows a pie chart that has been divided into 10 parts of equal size. DIAGRAM 3 11. How many parts should be shaded to represent the number of toys Eddy has? A 8 C 4 B 6 D 3 12. How many parts should be shaded to represent the total number of toys Reza and Han Ling have? A 5 C 8 B 6 D 10 Questions 13 to 16 are based on Diagram 4. The pie chart in Diagram 4 shows the grades obtained by 40 pupils in a Mathematics test. Grade A 50% Grade D 12.5% Grade C 25% Grade B 12.5% DIAGRAM 4 13. What grade did most of the pupils get? A Grade D C Grade B B Grade C D Grade A 3
- 4. 14. What is the percentage of pupils who get grade D? A 50% C 20.5% B 12.5% D 25% 15. How many pupils got grade C? A 8 C 15 B 10 D 25 16. Find the mean for the grades A, B, C and D. A 5 C 10 B 8 D 20 Questions 17 to 20 are based on Diagram 5. The pie chart in Diagram 5 shows the hobbies of 120 pupils. Collecting stamps Swimmin Readin g g Surfing Internet DIAGRAM 5 17. What is the most popular hobby among the pupils? A Swimming C Surfing the Internet B Reading D Collecting stamps 18. How many pupils like surfing the Internet? A 24 C 48 B 36 D 64 19. What is the difference between the number of pupils who like reading and swimming? A 3 C 30 B 16 D 36 20. What is the percentage of pupils who like swimming? A 10 C 25 B 20 D 40 4
- 5. PAPER 2 This question paper has 10 questions. Answer all the questions. 1 3 1 6 5 1. Calculate the average of 2 m, 5 m, 4 m, 3 10 m and 100 m, in cm. Answer: 2. Diagram 1 shows the mass of four fruits. grapes rambutans watermelon durian 1.3 kg 1.75 kg 2.35 kg 2.4 kg DIAGRAM 1 What is the average mass, in g, of the fruits? Answer: 3. Table 1 shows Swee Ling’s savings in 3 days. Days Monday Tuesday Wednesday Saving RM3.20 60 sen RM1.30 TABLE 1 Calculate the average of her savings for each day. Answer: 4. Table 2 shows the volume of water found in four bottles. Bottle R S T U Volume 500 ml 375 ml 420 ml 225 ml TABLE 2 (a) Calculate the average, in l, volume of water in each bottle. Answer: (b) Which bottles contain less volume of water than the average volume? Answer: 5. The average age of 4 siblings is 14 years. What is the sum of their ages? Answer: 6. The average of 3 numbers is 3.2 while the average of 5 other numbers is 1.4. Calculate the total of all the numbers. Answer: 5
- 6. 7. Table 3 shows the number of marbles three boys have. Boy Erfan Salman Boon Kiat Number of marbles 8 4 12 TABLE 3 Represent the data in Table 3 in the pie chart below. 8. The pie chart in Diagram 2 shows the favourite colours of 160 pupils. Green Blue 10% 20% Yellow 25% Red 45% DIAGRAM 2 Based on the pie chart, complete the following table. Colour Green Blue Red Yellow Number of pupils 6
- 7. Questions 9 and 10 are based on Diagram 3. The pie chart in Diagram 3 shows the means of transport for 80 pupils of SRK Sri Bayu. Walk 25% Car 10% Bus 40% Cycle 25% DIAGRAM 3 9. What is the most popular means of transport among the pupils? Answer: 10. How many pupils cycle to school? Answer: 7