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Maharashtra State BoardSSC (English Medium) 10th Standard

Show the following data by a frequency polygon: Electricity bill (₹) Families 200 – 400 240 400 – 600 300 600 – 800 450 800 – 1000 350 1000 – 1200 160

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Question

Show the following data by a frequency polygon:

Electricity bill (₹) Families
200 – 400 240
400 – 600 300
600 – 800 450
800 – 1000 350
1000 – 1200 160
Graph
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Solution

To draw frequency Polygon, we first prepare the following table

Class Mid Frequency
0 – 200 100 0
200 – 400 300 240
400 – 600 500 300
600 – 800 700 450
800 – 1000 900 350
1000 – 1200 1100 160
1200 – 1400 1300 0

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