Data Analysis
Hong Kong
Stage 1 - Stage 3
Sector 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
Which sector represents Samsung?
A
A
B
B
C
C
D
D
Easy
Less than a minute
Some non-profit organisations were asked how many operations they are running. The results are given below:
Mr Brown did a survey to find out how students usually spend their spare time. Then he recorded the data in the form of a picture graph.
Use the key to answer the following questions:
The adjacent circular diagram represents the results of grade 8 class president elections for the year 2010.
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