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The monthly profits (in Rs.) of 100 shops are distributed as follows:
Profits per shop 0-50 50-100 100-150 150-200 200-250 250-300
No. of shops 12 18 27 20 17 6
Draw the frequency polygor it.
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Profits per shop
No. of shops (f)
c.f.
0-50
12
12
50-100
18
30
100-150
27
57
150-200
20
77
200-250
17
94
250-300
6
100
Represent profits per shop along x-axis and no. of shop (c.f.) along y-axis.
Plot the points (50, 12), (100, 30), (150, 57), (200, 77), (250, 94) and (300, 100) on the graph and join them with ruler. This is the cumulative polygon as shown.
art

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