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:

(iii) The mode of the data is

a.36.625

b.30.625

c.32.625

d.31.625

Answer 2

Answer:

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Step-by-step explanation:

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