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Find frequency curve {{10-20,15},{20-30,25},{30-40,20},{40-50,12},{50-60,8}} [ Calculator, Method and examples ]

Solution:
Your problem `->` frequency curve {{10-20,15},{20-30,25},{30-40,20},{40-50,12},{50-60,8}}


To draw Frequency Polygon, we first prepare the following table

ClassMidFrequency
`f`
0 - 1050
10 - 201515
20 - 302525
30 - 403520
40 - 504512
50 - 60558
60 - 70650









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