X f
0-5 128
5-10 150
10-20 520
20-30 464
30-40 398
40-50 324
50-60 178
60-70 44
Mode
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THIS TYPE OF QUESTIONS YOU WILL FIND IN R.S. AGGARWAL BOOKS. PLEASE REFER TO CLASS 7TH & 8TH R.S. AGGARWAL BOOKS. THE FORMULA FOR MODE IS LITTLE BIG, BUT THE PORBLEM IS THAT I FORGOT THE FORMULA
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