A group of 40 people are asked which type of music they prefer. The table shows the results. Type of music Frequency Soul 5 Classical 20 Pop 8 Other 7 Draw a pie chart to show the information in the table.

Given: Type of music Frequency Soul 5 Classical 20 Pop 8 Other 7 Total frequency = 5 + 20 + 8 + 7 = 40 Degrees per frequency = 360 ° Total frequency = 360 ° 40 ° = 9 ° Degree of each music type = Degrees per frequency × Frequency of that music type Soul = 5 × 9 ° = 45 ° Classical = 20 × 9 ° = 180 ° Pop = 8 × 9 ° = 72 ° Other = 7 × 9 ° = 63 ° Therefore, the required pie chart is drawn below:

A supermarket sells five types of milk made from plants. The pie chart shows the proportion of different plant milks the supermarket sold in one day. Altogether, the supermarket sold 180 litres on this day. How many litres of soya milk was sold on this day?

Rice = 50 ° Oat = 90 ° Coconut = 40 ° Almond = 120 ° Soya = 360 ° - 50 ° + 90 ° + 40 ° + 120 ° = 360 ° - 300 ° = 60 ° Total amount of the milks sold = 180 litres Amount of soya milk sold on that day = Measure of the degree which represents soya 360 ° × Total amount of milk sold on that day = 60 ° 360 ° × 180 litres = 30 litres Therefore, 30 litres of milk was sold on that day.

The waffle diagram shows the colours of the cars in a school's staff car park. Use the waffle diagram to complete the following table. Colour of car Number of cars Red 3 Blue Green Yellow White

Given: Number blue coloured cars = 5 Number green coloured cars = 8 Number yellow coloured cars = 1 Number blue coloured cars = 7 Therefore, the complete table is shown below: Colour of car Number of cars Red 3 Blue 5 Green 8 Yellow 1 White 7

The waffle diagram shows the colours of the cars in a school's staff car park. Draw a pie chart to show the information given in the waffle diagram.

Given: Number red coloured cars = 3 Number blue coloured cars = 5 Number green coloured cars = 8 Number yellow coloured cars = 1 Number white coloured cars = 7 Total number of cars = 3 + 5 + 8 + 1 + 7 = 24 Number of degrees per car = 360 ° Total number of coloured cars = 360 ° 24 = 15 ° Number of degrees of each sector = Number of cars of that particular colour × Number of degrees per car Red = 3 × 15 ° = 45 ° Blue = 5 × 15 ° = 75 ° Green = 8 × 15 ° = 120 ° Yellow = 1 × 15 ° = 15 ° White = 7 × 15 ° = 105 ° Therefore, the required pie chart is shown below: Enable Ginger Cannot connect to Ginger Check your internet connection or reload the browser Disable in this text field Rephrase Rephrase current sentence Edit in Ginger ×

The waffle diagram shows the number of hot drinks sold in a cafe on a day. Use the diagram to complete the table. Hot drink Number of drinks Percentage of total Number of degree Tea 45 45 150 × 100 = 30 % 30 % of 360 ° = 108 ° Coffee Hot Chocolate Total 150 100 % 360 °

Number of coffee sold = 90 Percentage of the total = 90 150 × 100 = 60 % Number of degrees = 60 % of 360 ° = 60 100 × 360 ° = 216 ° Number of hot chocolate sold = 15 Percentage of the total = 15 150 × 10 = 10 % Number of degrees = 10 % of 360 ° = 10 100 × 360 ° = 36 ° Therefore, the complete table is shown below: Hot drink Number of drinks Percentage of total Number of degree Tea 45 45 150 × 100 = 30 % 30 % of 360 ° = 108 ° Coffee 90 90 150 × 100 = 60 % 90 % of 360 ° = 216 ° Hot Chocolate 15 15 150 × 100 = 10 % 10 % of 360 ° = 36 ° Total 150 100 % 360 °

HARD

Lower Secondary Stage 7

IMPORTANT

Earn 100

The table shows the number of different makes of car in a car park.

Complete the calculations below to work out the number of degrees for each sector of a pie chart to show the information given in the table.

Make of car Frequency

Ford $12$

Vauxhall $18$

Toyota $10$

Nissan $20$

Draw a pie chart to show the information in the table. Label each sector and give the pie chart a title.

Important Questions on Interpreting Results

MEDIUM

Lower Secondary Stage 7

IMPORTANT

Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 16 - Interpreting Results>Exercise 16.3>Q 2

A group of $40$ people are asked which type of music they prefer. The table shows the results.

Type of music	Frequency
Soul	$5$
Classical	$20$
Pop	$8$
Other	$7$

Draw a pie chart to show the information in the table.

EASY

Lower Secondary Stage 7

IMPORTANT

Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 16 - Interpreting Results>Exercise 16.3>Q 3

A supermarket sells five types of milk made from plants. The pie chart shows the proportion of different plant milks the supermarket sold in one day.

Question Image

Which milk was the most popular?

EASY

Lower Secondary Stage 7

IMPORTANT

Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 16 - Interpreting Results>Exercise 16.3>Q 3

A supermarket sells five types of milk made from plants. The pie chart shows the proportion of different plant milks the supermarket sold in one day.

Question Image

What fraction of the different plant milk sold was almond?

EASY

Lower Secondary Stage 7

IMPORTANT

Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 16 - Interpreting Results>Exercise 16.3>Q 3

A supermarket sells five types of milk made from plants. The pie chart shows the proportion of different plant milks the supermarket sold in one day.

Question Image

What percentage of different plant milks sold was oat?

MEDIUM

Lower Secondary Stage 7

IMPORTANT

Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 16 - Interpreting Results>Exercise 16.3>Q 3

A supermarket sells five types of milk made from plants. The pie chart shows the proportion of different plant milks the supermarket sold in one day.

Question Image

Altogether, the supermarket sold $180 litres$ on this day. How many litres of soya milk was sold on this day?

EASY

Lower Secondary Stage 7

IMPORTANT

Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 16 - Interpreting Results>Exercise 16.3>Q 5

The waffle diagram shows the colours of the cars in a school's staff car park.

Question Image

Use the waffle diagram to complete the following table.

Colour of car	Number of cars
Red	$3$
Blue
Green
Yellow
White

HARD

Lower Secondary Stage 7

IMPORTANT

Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 16 - Interpreting Results>Exercise 16.3>Q 5

The waffle diagram shows the colours of the cars in a school's staff car park.

Question Image

Draw a pie chart to show the information given in the waffle diagram.

MEDIUM

Lower Secondary Stage 7

IMPORTANT

Cambridge Lower Secondary Mathematics Learner's Book 7 Second Edition Digital Access>Chapter 16 - Interpreting Results>Exercise 16.3>Q 7

The waffle diagram shows the number of hot drinks sold in a cafe on a day.

Question Image

Use the diagram to complete the table.

Hot drink	Number of drinks	Percentage of total	Number of degree
Tea	$45$	$\frac{45}{150} \times 100 = 30 %$	$30 %$ of $360 ° = 108 °$
Coffee
Hot Chocolate
Total	$150$	$100 %$	$360 °$

Make of car	Frequency
Ford	$12$
Vauxhall	$18$
Toyota	$10$
Nissan	$20$

Important Questions on Interpreting Results

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