14. Construct a frequency distribution table for the following marks obtained by 25 students in English test in class VII 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,
1 ) What is the range of marks ?
2 ) What is the highest mark ?
3 ) Which mark is occurring more frequency ?
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which mark is according more frequency
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