Q1Short answerExercise 14.2
The frequency distribution : Marks 0-20 20-40 40-60 60-100 Number of Students 10 15 20 25 has been represented graphically as follows : STATISTICS AND PROBABILITY 137 Fig. 14.1 Do you think this representation is correct? Why?
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Not correct. The classes are of varying widths, not of uniform widths.