how to plot a pie chart
Answers
Answer:
It is a circular graph which is used to represent data. In this :
● Various observations of the data are represented by the sectors of the circle.
● The total angle formed at the centre is 360°.
● The whole circle represents the sum of the values of all the components.
● The angle at the centre corresponding to the particular observation component is given by
Pie Chart
● If the values of observation/components are expressed in percentage, then the centre angle corresponding to particular observation/component is given by
Pie Chart
How to construct a pie chart?
Steps of construction of pie chart for a given data:
● Find the central angle for each component using the formula given on the previous page.
● Draw a circle of any radius.
● Draw a horizontal radius
● Starting with the horizontal radius, draw radii, making central angles corresponding to the values of respective components.
● Repeat the process for all the components of the given data.
● These radii divide the whole circle into various sectors.
● Now, shade the sectors with different colours to denote various components.
● Thus, we obtain the required pie chart.
Step-by-step explanation:
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Answer:
To make a pie chart, start by adding up all of your data points to get the total. Then, divide each data point by the total, which will tell you the percentage that each data point makes up of the total. Next, multiply each percentage by 360 to find the angle between that data point and the next lowest data point.
Step-by-step explanation:
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