Find the median of the following data: Class 0 – 10 10– 20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 frequency 5 3 4 3 3 4 7 9 7 5
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the median will be
c.i . f
0-10 5
10-20 3
20-30 4
30-40 3
40-50 3
50-60 4
60-70 7
70-80 9
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