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Year 7 Revision Chapter 1: Charts Graphs? Images that represent data symbolically or simply representing data in the form of pictures. Data? Collections.

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Presentation on theme: "Year 7 Revision Chapter 1: Charts Graphs? Images that represent data symbolically or simply representing data in the form of pictures. Data? Collections."— Presentation transcript:

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2 Year 7 Revision

3 Chapter 1: Charts Graphs? Images that represent data symbolically or simply representing data in the form of pictures. Data? Collections of values that are represented in numbers.

4 Types of graph: i.Bar graph ii.Divided bar graph iii.Line graph iv.Pie chart

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9 Revision Exercise 1.The teacher of Year 8B did a survey to find out which mobile phones the students liked most. The data is shown in the table provided below. Favourite mobile phoneNo. of students% Blackberry1747 Nokia411 Sony Ericsson925 LG26 Samsung411

10 From the table above, (a)Draw a bar graph to show the favourite mobile phones of the students. (b)Give a title to the bar graph. (c)Use the same data to draw a divided bar.

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12 2. Draw a pie chart to show the percentage of population in each district. Give your pie chart a title. District%Angle Brunei-Muara66 Belait20.2 Tutong10.9 Temburong2.9

13 District%Angle Brunei-Muara66238° Belait20.273° Tutong10.939° Temburong2.910°

14 66% 20.2% 10.9% 2.9%

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