Question

4. The marks obtained by 50 students of Class VIII in mathematics are given in the following frequency distribution table. Marks 0 - 10 10-20 20 - 30 30 - 40 40-50 50-60 60 - 70 9 5 4 11 10 Number of Students 4 7 9 5 4 11 10 (1) What is the class size?​

Answer 1

class size = upper limit. - lower limit

= 20 - 10

= 10

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