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