Statistics class 9 2020 syllabus This presentation excludes deleted portion as per as CBSE syllabus of the year 2020-2021

3. Marks No. of students
9 10
5 16
7 14
Marks No. of students
0-4 10
5-7 16
8-10 14

5. Class Interval
Regular Irregular
0-10 35-45
10-20 45-55
20-30 55-85

6. Ungrouped frequency table
When the frequency of
each class interval is not
arranged or organised in
any manner.
Grouped frequency table
The frequencies of the
corresponding class
intervals are organised or
arranged in a particular
manner, either ascending
or descending.

7. Data of students born month-wise