PIE CHARTS - tandrageemaths
PIE CHARTS
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Copy out your survey data into a new table, make sure your table looks like this:
|Favourite player |Freq |Pie Chart Workings |Angle |
|Henry |30 |30÷100 x 360 |108( |
|Owen |20 | | |
|Gerrard |50 | | |
|Total |100 | |360( |
You also need to know the TOTAL of how many people you asked.
• Work out the fraction of the total for each player
30÷ total
• Write this answer in the Pie Chart Workings space for each category
• To find the Angle multiply the number in the Pie Chart Workings column by the total number of angles in a circle
• Check that your angles all add up to 360º
[pic]
• Now you are ready to draw your pie chart.
• Use your PROTRACTOR to measure your portions accurately and then use a RULER to draw them in.
• Now use colour, and don’t forget to label and title your PIE CHART
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Make sure you have
1. A pencil (and it is sharp)
2. A protractor
3. A calculator
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