Question

21. Following frequency distribution table shows marks (out of
50) obtained in English by 45 students
(1) What is the size of the class intervals?
(ii) Which class has the highest frequency?
Class Intervals
0-10
10-20
20-30
30-40
40-50
Total
Frequency
1
6
20
12
6
45
(iii) What is the upper unit of the class interval 30-40 ?​

Answer 1

Answer:

Frnd pls fllow me I am giving you the answer

Answer 2

Answer:

10-20 and 40-50 is the answer