Question

Consider the following frequency distribution of the heights of 60 students of a class
Height (in 150-155 155-160 160-165 165-170 170-175 175-180
cm)
15
13
10
No of
students
The upper limit of the median class in the given data is
a) 165
b) 155
c) 160
d) 170​

Answer 1

a) 165 is right

Hope it may help you.

Answer 2

Given : frequency distribution of the heights of 60 students of a class

Height       150-155 155-160 160-165 165-170 170-175 175-180

No of  students  15      13             10         8              9            5

To Find : The upper limit of the median class

a) 165

b) 155

c) 160

d) 170​

Solution:

Height(in cm)  number of students    CF

150-155          15                                    15

155-160           13                                   28

160-165          10                                   38

165-170           8                                    46

170-175           9                                    55

175-180          5                                    60

Total Frequency = 60

60/2 = 30

which lies between 160-165

Median class is 160-165

upper limit of the median class in the given data is a) 165

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