construct a frequency distribution table for the following marks of 25 Student.9,17,12,20,9,18,25,17,19,9,12,9,1218,17,19,20,25,9,12,17,19,19,20,9. question 1 - what is the range of marks? question 2 - find the mean,median and mode
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construct a frequency distribution table for the following marks of 25 Student.9,17,12,20,9,18,25,17,19,9,12,9,1218,17,19,20,25,9,12,17,19,19,20,9. question 1 - what is the range of marks? question 2 - find the mean,median and mode
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