Question

A survey was conducted by education ministry of India .Thr following distribution gives the state-wise teachers-students ratio in higher secondary schools of India.

(i) The modal class is
a.40-45
b.30-35
c.50-55
d.25-30

(ii) The mean of this data is
a.19.2
b.22.9
c.39.2
d.29.2

(iii) The mode of the data is
a.36.625
b.30.625
c.32.625
d.31.625

(iv) Half of(upper class limit + lower class limit) is:
a.Class interval
b.Class mark
c.Class value
d.Class size

(v) The construction of the cumulative frequency table is useful in determining the
a.Mean
b.Mode
c.Median
d.None of these ​ ​

Answer 1

Answer:

1.a)40-45

2.b)22.9

3.a)30-625

4.d)class size

5.c)median

I hop ye answers ho

Answer 2

Answer:

1:b

2:d

3:b

4:b

5:c

Step-by-step explanation:

I hope it's clear