Question

i) The median of the following data is 49.2. Find the values of f, and f, if £f;=90 :
Marks 20 - 30 30 - 40 40 - 50 50 – 60 60 – 70 70 - 80 80 – 90
Frequency fi 15 25 20 fz 8 10​

Answer 1

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