7. Graphs

7.01 Line graphs

7.015 Step graphs

7.02 Picture graphs and column graphs

7.03 Two-way tables

INVESTIGATION: Tabulate and graph data

7.04 Pie charts, bar charts and stacked area graphs

7.045 Radar graphs and Pareto charts

INVESTIGATION: Misleading graphs

Year 11

7.04 Pie charts, bar charts and stacked area graphs

Interactive practice questions

A technology company wishes to see what MP3 players people are using. They took a small sample and found the following:

Apple: $156$156

Sandisk: $19$19

Samsung: $32$32

Other: $74$74

A pie chart is divided into four sectors, each representing a different technology company and each labeled with letters. The colors of the sectors are yellow-green, green, purple, blue and red, arranged in a clockwise manner. The yellow-green sector is labeled "C" and is the largest sector. The red sector is labeled "B" and is the second largest sector. The purple sector is labeled "D" and is the third largest sector. The blue sector is labeled "A" and is the smallest sector.

Which sector represents Samsung?

A

A

B

B

C

C

D

D

Easy

< 1min

The adjacent circular diagram represents the results of grade 8 class president elections for the year $2010$ .

Easy

< 1min

The sector graph given represents the market share of four brands. Given that Brand C is twice as popular as Brand A, find the angle at the centre for Brand D.

Easy

1min

For a sector graph, what angle size would represent $10$10 out of $24$24 people in a particular category? Give your answer to the nearest degree.

Easy

1min

Outcomes

ACMEM037

interpret information presented in graphs, such as conversion graphs, line graphs, step graphs, column graphs and picture graphs

What is Mathspace

About Mathspace