(1) The median of the following data is 49.2. Find the values off, and fą, if Ef; = 90 :Marks 20 – 30 30 – 40 40 – 50 50 – 60 60 – 70 70 – 80 80- 90!Frequency fi 15, 25, 20, 8, 10.
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The value pf Fi is 7 and f2 is 5
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