Question

\40. Represent the following data of marks obtained by two groups of
students of class IX in a government school in the form of frequency polygon on the
same axes.
MARKS GROUP A GROUP B

30-40 16 10

40-50 7 12
50-60 9 25
60-70 20 14
70-80 22 15
80-90 2 5
90-100 3 1​

Answer 1

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