Question

SECTION-B
Look at the table given below:
r Marks 0-10 11-20 21-30 31-40
No. of students 7 8 10 5
What is the class-size of the class 11-20 in this table?
(ii) What is the class mark of class 21-30 in this table?​

Answer 1

Answer:

class size is 8

class marks is 10

Answer 2

Answer:

1. 9..........

2. 10..........