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Construct a frequency distribution table...

Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VI of a school: 9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17,19,19,20,9 What is the range of marks? What is the highest mark? Which mark is occurring more frequently?

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