i) In Class interval 60-70 there are 1 mark with value of 60, 3 marks with value of 61, and 5 marks with value of 62. We doesnot consider these marks/
The approximate percentage of the candidates who passed the examination if the pass mark was 62.5 percent is
"(35-8)+20+8=55"
ii)
If 90 percent of the candidate passed examination, then 10% did not pass examination. 8 such candidates are in Class-interval 40-50 and 2 candidates are in class interval 50-60: 1 mark with value of 50 and 3 marks vith value of 51.
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