Draw a frequency polygon for the following data.
class- 10- 20 20-30 30-40 40-50 50-60 60-70
Freq. 2 5 12 19 9 4
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Answer: the following data.Marks 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 60 - 70 70 - 80 80 - 90 90 - 100 No. of Students 12 22 35 40 60 52 40 30 5. ... Draw a histogram and frequency polygon to represent the following data. Marks, 10−20, 20−30, 30−40, 40−50, 50−60, 60−70, 70−80, 80−90, 90−100. No. of Students, 12, 2 ...
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