Question

10. Case study is
A survey was conducted by the Education Ministry of India. The following
distribution gives the state-wise teachers-students ratio in higher secondary schools
of India
Number of students
Number of states/U.T Number of students
Number of states/U.T
per teacher
per teacher
15-20
35-40
20-25
40-45
25-30
45-50
30-35
10
50-55
2
i)Upper limit of 45-50 is
a) 50
b) 45
c) 47 d)51
ii) Class size is
a) Is
b)20 c)05 d)17.5
iii) Lower limit of 25-30 is .......
b)26 c)29 d)25
iv) Half of (upper class limit + lower class limit) is
a) Class interval b) Class mark c) Class value d)Class size
a) 27​

Answer 1

Answer:

adbbsjbxhhccbmkfxbnnm

Answer 2

upper limit is 45 and lower limit is 25

Step-by-step explanation:

hope hope you will like it in peace and my answer as brainleast