Example 12 - Chapter 14 Class 9 Statistics (Term 1)
Last updated at Dec. 8, 2016 by Teachoo
Examples
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Transcript
Example 12 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 = ((π + 1)/2)^π‘β " obs"ervation = ((9 + 1)/2)^π‘β observation = (10/2)^π‘β observation = 5th observation = 149 cm
