Question 7
The heights (in cm) of 9 students of a class are as follows:
155 160 145 149 150 147 152 144 148
Find the median of this data.
We arrange the data in ascending order, as follows:
144 145 147 148 149 150 152 155 160
Number of students = n = 9 (odd number)
Median = ((๐ + 1)/2)^๐กโ " obs"ervation
= ((9 + 1)/2)^๐กโ observation
= (10/2)^๐กโ observation
= 5th observation
= 149 cm

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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