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in Statistics by (26.3k points)
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In one day the sales (in rupees) of different items of a baker’s shop are given below :

Items ordinary
Bread
Fruit
Pastries
cake
Pastries
Biscuits Others Total
Amount (Rs.) 260 40 100 60 20 480

Draw a pie chart representing the above data:

1 Answer

+1 vote
by (25.0k points)
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Best answer

Here, total sales = 480 rupees

So, 

The central angle = \(\frac{component\,value}{480}\times360^\circ\)

Hence, 

the central angle for each activity will be calculated as follows

Item Sale (in Rs) Sector angle (degree)
Ordinary bread 260 260/480 x 360 = 195
Fruit bread 40 40/480 x 360 = 30
Cakes and pastries 100 100/480 x 360 = 75
Biscuits 60 60/480 x 360 = 45
Others 20 20/480 x 360 = 15

Steps for construction of representation of data in pie chart

Step 1: Draw the circle of appropriate radius. 

Step 2 : Choose a radius anywhere inside the circle. 

Step 3 : Now draw a sector of calculated component’s central angle. It is always preferable to choose component with largest central angle first and then continue in descending order of magnitude of their central angle. 

Step 4: After drawing sectors, shade them with different colours and label them as shown in the figure.

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