P5 Math · Chapter 19brightbit.net/worksheets

Data Analysis — Average, Graphs, Pie Charts

Name: ______________________Class: ________Date: ____________Score: ____ / 10

1.
The scores of 5 students are 72, 85, 90, 68 and 80. What is their average score?
(a) 75(b) 79(c) 80(d) 82
2.
The average of 4 numbers is 18. Three of the numbers are 15, 20 and 22. What is the fourth number?
Answer: ____________________________________
3.
In a pie chart, the sector for 'sports' is 90°. There are 240 pupils altogether. How many pupils like sports?
(a) 40(b) 60(c) 80(d) 90
4.
The average height of 6 boys is 152 cm. When a 7th boy joins, the average drops to 150 cm. How tall is the 7th boy?
Answer: ____________________________________
5.
A bar graph shows Monday: 35 books, Tuesday: 50 books, Wednesday: 45 books. What is the average number of books borrowed per day?
(a) 40(b) 43.3(c) 45(d) 50
6.
In a survey of 180 people, the pie chart shows 40% prefer chocolate ice cream. How many people prefer chocolate?
Answer: ____________________________________
7.
Five consecutive even numbers have an average of 16. What is the largest number?
(a) 18(b) 20(c) 22(d) 24
8.
The total marks for 5 tests is 375. After an error, one mark is changed from 60 to 80. What is the new average?
Answer: ____________________________________
9.
A pie chart has sectors for 4 subjects. Math = 120°, Science = 90°, English = 80°. What is the angle for Art?
(a) 60°(b) 70°(c) 80°(d) 90°
10.
The mean of 8 numbers is 45. If one number (which was 30) is removed, what is the new mean? (Round to 1 decimal place)
Answer: ____________________________________

Answer key — P5 Math: Data Analysis — Average, Graphs, Pie Charts

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