The heights (in cm) of 50 students of a class are given below Height (in cm) . Find the median height.
Height (in cm) 156 154 155 151 157 152 153 Number of students 8 4 10 6 7 3 12
plz it is urgent and tell only the correct answer
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Answer:
Height in cm
Number of students
cf
156
8
8
155
4
12
154
6
18
153
10
28
152
12
40
151
3
43
150
7
50
Total
50
Here N=50 Then
2
N
=
2
50
=25
N=50 is even, hence there will be two observations
2
n
and
2
n
+1i.e,25thand26th
Now, frequency greater than 25 is 28 and height for 28 is 153
Hence, median is 153.
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